X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a40860394c9ac8fd34fde8ee3f103b9d968457c2..acc0ebd7a871124d4d6b36069340227e6c584f38:/src/common/dbtable.cpp diff --git a/src/common/dbtable.cpp b/src/common/dbtable.cpp index 1cef849131..866ade00f3 100644 --- a/src/common/dbtable.cpp +++ b/src/common/dbtable.cpp @@ -1,13 +1,10 @@ /////////////////////////////////////////////////////////////////////////////// // Name: dbtable.cpp -// Purpose: Implementation of the wxTable class. +// Purpose: Implementation of the wxDbTable class. // Author: Doug Card // Modified by: George Tasker -// Mods: April 1999 -// -Dynamic cursor support - Only one predefined cursor, as many others as -// you need may be created on demand -// -Reduced number of active cursors significantly -// -Query-Only wxTable objects +// Bart Jourquin +// Mark Johnson // Created: 9.96 // RCS-ID: $Id$ // Copyright: (c) 1996 Remstar International, Inc. @@ -27,61 +24,41 @@ // SYNOPSIS START // SYNOPSIS STOP */ +#ifdef __GNUG__ + #pragma implementation "dbtable.h" +#endif -// Use this line for wxWindows v1.x -//#include "wx_ver.h" -// Use this line for wxWindows v2.x -#include "wx/version.h" #include "wx/wxprec.h" -#if wxMAJOR_VERSION == 2 -# ifdef __GNUG__ -# pragma implementation "dbtable.h" -# endif +#ifdef __BORLANDC__ + #pragma hdrstop #endif #ifdef DBDEBUG_CONSOLE - #include + #include "iostream.h" + #include "wx/ioswrap.h" #endif -#ifdef __BORLANDC__ - #pragma hdrstop -#endif //__BORLANDC__ - -#if wxMAJOR_VERSION == 2 - #ifndef WX_PRECOMP - #include "wx/string.h" - #include "wx/object.h" - #include "wx/list.h" - #include "wx/utils.h" +#ifndef WX_PRECOMP + #include "wx/string.h" + #include "wx/object.h" + #include "wx/list.h" + #include "wx/utils.h" + #if wxUSE_GUI #include "wx/msgdlg.h" #endif - #include "wx/filefn.h" -#endif - -#if wxMAJOR_VERSION == 1 -# if defined(wx_msw) || defined(wx_x) -# ifdef WX_PRECOMP -# include "wx_prec.h" -# else -# include "wx.h" -# endif -# endif -# define wxUSE_ODBC 1 + #include "wx/log.h" #endif +#include "wx/filefn.h" #if wxUSE_ODBC #include #include #include -#include +//#include -#if wxMAJOR_VERSION == 1 - #include "table.h" -#elif wxMAJOR_VERSION == 2 - #include "wx/dbtable.h" -#endif +#include "wx/dbtable.h" #ifdef __UNIX__ // The HPUX preprocessor lines below were commented out on 8/20/97 @@ -102,14 +79,67 @@ ULONG lastTableID = 0; #endif -/********** wxTable::wxTable() **********/ -wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, - const char *qryTblName, bool qryOnly, const char *tblPath) +/********** wxDbColDef::wxDbColDef() Constructor **********/ +wxDbColDef::wxDbColDef() +{ + Initialize(); +} // Constructor + + +bool wxDbColDef::Initialize() +{ + ColName[0] = 0; + DbDataType = DB_DATA_TYPE_INTEGER; + SqlCtype = SQL_C_LONG; + PtrDataObj = NULL; + SzDataObj = 0; + KeyField = FALSE; + Updateable = FALSE; + InsertAllowed = FALSE; + DerivedCol = FALSE; + CbValue = 0; + Null = FALSE; + + return TRUE; +} // wxDbColDef::Initialize() + + +/********** wxDbTable::wxDbTable() Constructor **********/ +wxDbTable::wxDbTable(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns, + const wxString &qryTblName, bool qryOnly, const wxString &tblPath) +{ + if (!initialize(pwxDb, tblName, numColumns, qryTblName, qryOnly, tblPath)) + cleanup(); +} // wxDbTable::wxDbTable() + + +/***** DEPRECATED: use wxDbTable::wxDbTable() format above *****/ +wxDbTable::wxDbTable(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns, + const wxChar *qryTblName, bool qryOnly, const wxString &tblPath) +{ + wxString tempQryTblName; + tempQryTblName = qryTblName; + if (!initialize(pwxDb, tblName, numColumns, tempQryTblName, qryOnly, tblPath)) + cleanup(); +} // wxDbTable::wxDbTable() + + +/********** wxDbTable::~wxDbTable() **********/ +wxDbTable::~wxDbTable() { - pDb = pwxDB; // Pointer to the wxDB object + this->cleanup(); +} // wxDbTable::~wxDbTable() + + +bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns, + const wxString &qryTblName, bool qryOnly, const wxString &tblPath) +{ + // Initializing member variables + pDb = pwxDb; // Pointer to the wxDb object henv = 0; hdbc = 0; hstmt = 0; + m_hstmtGridQuery = 0; hstmtDefault = 0; // Initialized below hstmtCount = 0; // Initialized first time it is needed hstmtInsert = 0; @@ -118,51 +148,58 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, hstmtInternal = 0; colDefs = 0; tableID = 0; - noCols = nCols; // No. of cols in the table - where = 0; // Where clause - orderBy = 0; // Order By clause - from = 0; // From clause + noCols = numColumns; // Number of cols in the table + where.Empty(); // Where clause + orderBy.Empty(); // Order By clause + from.Empty(); // From clause selectForUpdate = FALSE; // SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase queryOnly = qryOnly; + insertable = TRUE; + tablePath.Empty(); + tableName.Empty(); + queryTableName.Empty(); - assert (tblName); + wxASSERT(tblName.Length()); + wxASSERT(pDb); - wxStrcpy(tableName, tblName); // Table Name - if (tblPath) - wxStrcpy(tablePath, tblPath); // Table Path - used for dBase files + if (!pDb) + return FALSE; - if (qryTblName) // Name of the table/view to query - wxStrcpy(queryTableName, qryTblName); + tableName = tblName; // Table Name + if (tblPath.Length()) + tablePath = tblPath; // Table Path - used for dBase files else - wxStrcpy(queryTableName, tblName); + tablePath.Empty(); - if (!pDb) - return; + if (qryTblName.Length()) // Name of the table/view to query + queryTableName = qryTblName; + else + queryTableName = tblName; - pDb->nTables++; + pDb->incrementTableCount(); wxString s; tableID = ++lastTableID; - s.sprintf("wxTable constructor (%-20s) tableID:[%6lu] pDb:[%p]", tblName,tableID,pDb); + s.Printf(wxT("wxDbTable constructor (%-20s) tableID:[%6lu] pDb:[%p]"), tblName.c_str(), tableID, pDb); #ifdef __WXDEBUG__ - CstructTablesInUse *tableInUse; - tableInUse = new CstructTablesInUse(); + wxTablesInUse *tableInUse; + tableInUse = new wxTablesInUse(); tableInUse->tableName = tblName; tableInUse->tableID = tableID; tableInUse->pDb = pDb; TablesInUse.Append(tableInUse); #endif - pDb->WriteSqlLog(s.GetData()); + pDb->WriteSqlLog(s); - // Grab the HENV and HDBC from the wxDB object - henv = pDb->henv; - hdbc = pDb->hdbc; + // Grab the HENV and HDBC from the wxDb object + henv = pDb->GetHENV(); + hdbc = pDb->GetHDBC(); // Allocate space for column definitions if (noCols) - colDefs = new wxColDef[noCols]; // Points to the first column defintion + colDefs = new wxDbColDef[noCols]; // Points to the first column definition // Allocate statement handles for the table if (!queryOnly) @@ -183,11 +220,12 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, // Set the cursor type for the statement handles cursorType = SQL_CURSOR_STATIC; + if (SQLSetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS) { // Check to see if cursor type is supported pDb->GetNextError(henv, hdbc, hstmtInternal); - if (! wxStrcmp(pDb->sqlState, "01S02")) // Option Value Changed + if (! wxStrcmp(pDb->sqlState, wxT("01S02"))) // Option Value Changed { // Datasource does not support static cursors. Driver // will substitute a cursor type. Call SQLGetStmtOption() @@ -195,20 +233,36 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, if (SQLGetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, &cursorType) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc, hstmtInternal); #ifdef DBDEBUG_CONSOLE - cout << "Static cursor changed to: "; + cout << wxT("Static cursor changed to: "); switch(cursorType) { case SQL_CURSOR_FORWARD_ONLY: - cout << "Forward Only"; break; + cout << wxT("Forward Only"); + break; case SQL_CURSOR_STATIC: - cout << "Static"; break; + cout << wxT("Static"); + break; case SQL_CURSOR_KEYSET_DRIVEN: - cout << "Keyset Driven"; break; + cout << wxT("Keyset Driven"); + break; case SQL_CURSOR_DYNAMIC: - cout << "Dynamic"; break; + cout << wxT("Dynamic"); + break; } cout << endl << endl; #endif + // BJO20000425 + if (pDb->FwdOnlyCursors() && cursorType != SQL_CURSOR_FORWARD_ONLY) + { + // Force the use of a forward only cursor... + cursorType = SQL_CURSOR_FORWARD_ONLY; + if (SQLSetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS) + { + // Should never happen + pDb->GetNextError(henv, hdbc, hstmtInternal); + return FALSE; + } + } } else { @@ -218,7 +272,7 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, } #ifdef DBDEBUG_CONSOLE else - cout << "Cursor Type set to STATIC" << endl << endl; + cout << wxT("Cursor Type set to STATIC") << endl << endl; #endif if (!queryOnly) @@ -235,21 +289,22 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, } // Make the default cursor the active cursor - hstmtDefault = NewCursor(FALSE,FALSE); - assert(hstmtDefault); + hstmtDefault = GetNewCursor(FALSE,FALSE); + wxASSERT(hstmtDefault); hstmt = *hstmtDefault; -} // wxTable::wxTable() + return TRUE; + +} // wxDbTable::initialize() -/********** wxTable::~wxTable() **********/ -wxTable::~wxTable() +void wxDbTable::cleanup() { wxString s; if (pDb) { - s.sprintf("wxTable destructor (%-20s) tableID:[%6lu] pDb:[%p]", tableName,tableID,pDb); - pDb->WriteSqlLog(s.GetData()); + s.Printf(wxT("wxDbTable destructor (%-20s) tableID:[%6lu] pDb:[%p]"), tableName.c_str(), tableID, pDb); + pDb->WriteSqlLog(s); } #ifdef __WXDEBUG__ @@ -262,11 +317,11 @@ wxTable::~wxTable() pNode = TablesInUse.First(); while (pNode && !found) { - if (((CstructTablesInUse *)pNode->Data())->tableID == tableID) + if (((wxTablesInUse *)pNode->Data())->tableID == tableID) { found = TRUE; if (!TablesInUse.DeleteNode(pNode)) - wxMessageBox (s.GetData(),"Unable to delete node!"); + wxLogDebug (s,wxT("Unable to delete node!")); } else pNode = pNode->Next(); @@ -274,15 +329,15 @@ wxTable::~wxTable() if (!found) { wxString msg; - msg.sprintf("Unable to find the tableID in the linked\nlist of tables in use.\n\n%s",s.GetData()); - wxMessageBox (msg.GetData(),"NOTICE..."); + msg.Printf(wxT("Unable to find the tableID in the linked\nlist of tables in use.\n\n%s"),s.c_str()); + wxLogDebug (msg,wxT("NOTICE...")); } } #endif - // Decrement the wxDB table count + // Decrement the wxDb table count if (pDb) - pDb->nTables--; + pDb->decrementTableCount(); // Delete memory allocated for column definitions if (colDefs) @@ -292,37 +347,62 @@ wxTable::~wxTable() if (!queryOnly) { if (hstmtInsert) + { +/* +ODBC 3.0 says to use this form + if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS) +*/ if (SQLFreeStmt(hstmtInsert, SQL_DROP) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc); + } + if (hstmtDelete) + { +/* +ODBC 3.0 says to use this form + if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS) +*/ if (SQLFreeStmt(hstmtDelete, SQL_DROP) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc); + } + if (hstmtUpdate) + { +/* +ODBC 3.0 says to use this form + if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS) +*/ if (SQLFreeStmt(hstmtUpdate, SQL_DROP) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc); + } } + if (hstmtInternal) + { if (SQLFreeStmt(hstmtInternal, SQL_DROP) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc); + } // Delete dynamically allocated cursors if (hstmtDefault) DeleteCursor(hstmtDefault); + if (hstmtCount) DeleteCursor(hstmtCount); -} // wxTable::~wxTable() + if (m_hstmtGridQuery) + DeleteCursor(m_hstmtGridQuery); +} // wxDbTable::cleanup() /***************************** PRIVATE FUNCTIONS *****************************/ - -/********** wxTable::bindInsertParams() **********/ -bool wxTable::bindInsertParams(void) +/********** wxDbTable::bindParams() **********/ +bool wxDbTable::bindParams(bool forUpdate) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) return(FALSE); @@ -330,145 +410,139 @@ bool wxTable::bindInsertParams(void) UDWORD precision = 0; SWORD scale = 0; - // Bind each column (that can be inserted) of the table to a parameter marker - int i,colNo; - for (i = 0, colNo = 1; i < noCols; i++) + // Bind each column of the table that should be bound + // to a parameter marker + int i; + UWORD colNo; + + for (i=0, colNo=1; i < noCols; i++) { - if (! colDefs[i].InsertAllowed) - continue; + if (forUpdate) + { + if (!colDefs[i].Updateable) + continue; + } + else + { + if (!colDefs[i].InsertAllowed) + continue; + } + switch(colDefs[i].DbDataType) { - case DB_DATA_TYPE_VARCHAR: - fSqlType = pDb->typeInfVarchar.FsqlType; - precision = colDefs[i].SzDataObj; - scale = 0; - colDefs[i].CbValue = SQL_NTS; - break; - case DB_DATA_TYPE_INTEGER: - fSqlType = pDb->typeInfInteger.FsqlType; - precision = pDb->typeInfInteger.Precision; - scale = 0; - colDefs[i].CbValue = 0; - break; - case DB_DATA_TYPE_FLOAT: - fSqlType = pDb->typeInfFloat.FsqlType; - precision = pDb->typeInfFloat.Precision; - scale = pDb->typeInfFloat.MaximumScale; - // SQL Sybase Anywhere v5.5 returned a negative number for the - // MaxScale. This caused ODBC to kick out an error on ibscale. - // I check for this here and set the scale = precision. - //if (scale < 0) - // scale = (short) precision; - colDefs[i].CbValue = 0; - break; - case DB_DATA_TYPE_DATE: - fSqlType = pDb->typeInfDate.FsqlType; - precision = pDb->typeInfDate.Precision; - scale = 0; - colDefs[i].CbValue = 0; - break; + case DB_DATA_TYPE_VARCHAR: + fSqlType = pDb->GetTypeInfVarchar().FsqlType; + precision = colDefs[i].SzDataObj; + scale = 0; + if (colDefs[i].Null) + colDefs[i].CbValue = SQL_NULL_DATA; + else + colDefs[i].CbValue = SQL_NTS; + break; + case DB_DATA_TYPE_INTEGER: + fSqlType = pDb->GetTypeInfInteger().FsqlType; + precision = pDb->GetTypeInfInteger().Precision; + scale = 0; + if (colDefs[i].Null) + colDefs[i].CbValue = SQL_NULL_DATA; + else + colDefs[i].CbValue = 0; + break; + case DB_DATA_TYPE_FLOAT: + fSqlType = pDb->GetTypeInfFloat().FsqlType; + precision = pDb->GetTypeInfFloat().Precision; + scale = pDb->GetTypeInfFloat().MaximumScale; + // SQL Sybase Anywhere v5.5 returned a negative number for the + // MaxScale. This caused ODBC to kick out an error on ibscale. + // I check for this here and set the scale = precision. + //if (scale < 0) + // scale = (short) precision; + if (colDefs[i].Null) + colDefs[i].CbValue = SQL_NULL_DATA; + else + colDefs[i].CbValue = 0; + break; + case DB_DATA_TYPE_DATE: + fSqlType = pDb->GetTypeInfDate().FsqlType; + precision = pDb->GetTypeInfDate().Precision; + scale = 0; + if (colDefs[i].Null) + colDefs[i].CbValue = SQL_NULL_DATA; + else + colDefs[i].CbValue = 0; + break; + case DB_DATA_TYPE_BLOB: + fSqlType = pDb->GetTypeInfBlob().FsqlType; + precision = 50000; + scale = 0; + if (colDefs[i].Null) + colDefs[i].CbValue = SQL_NULL_DATA; + else + colDefs[i].CbValue = SQL_LEN_DATA_AT_EXEC(colDefs[i].SzDataObj); + break; + } + if (forUpdate) + { + if (SQLBindParameter(hstmtUpdate, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype, + fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, + precision+1, &colDefs[i].CbValue) != SQL_SUCCESS) + { + return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); + } } - // Null values - if (colDefs[i].Null) + else { - colDefs[i].CbValue = SQL_NULL_DATA; - colDefs[i].Null = FALSE; + if (SQLBindParameter(hstmtInsert, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype, + fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, + precision+1,&colDefs[i].CbValue) != SQL_SUCCESS) + { + return(pDb->DispAllErrors(henv, hdbc, hstmtInsert)); + } } - if (SQLBindParameter(hstmtInsert, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype, - fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, - precision+1,&colDefs[i].CbValue) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, hstmtInsert)); } // Completed successfully return(TRUE); -} // wxTable::bindInsertParams() +} // wxDbTable::bindParams() -/********** wxTable::bindUpdateParams() **********/ -bool wxTable::bindUpdateParams(void) +/********** wxDbTable::bindInsertParams() **********/ +bool wxDbTable::bindInsertParams(void) { - assert(!queryOnly); - if (queryOnly) - return(FALSE); - - SWORD fSqlType = 0; - UDWORD precision = 0; - SWORD scale = 0; - - // Bind each UPDATEABLE column of the table to a parameter marker - int i,colNo; - for (i = 0, colNo = 1; i < noCols; i++) - { - if (! colDefs[i].Updateable) - continue; - switch(colDefs[i].DbDataType) - { - case DB_DATA_TYPE_VARCHAR: - fSqlType = pDb->typeInfVarchar.FsqlType; - precision = colDefs[i].SzDataObj; - scale = 0; - colDefs[i].CbValue = SQL_NTS; - break; - case DB_DATA_TYPE_INTEGER: - fSqlType = pDb->typeInfInteger.FsqlType; - precision = pDb->typeInfInteger.Precision; - scale = 0; - colDefs[i].CbValue = 0; - break; - case DB_DATA_TYPE_FLOAT: - fSqlType = pDb->typeInfFloat.FsqlType; - precision = pDb->typeInfFloat.Precision; - scale = pDb->typeInfFloat.MaximumScale; - // SQL Sybase Anywhere v5.5 returned a negative number for the - // MaxScale. This caused ODBC to kick out an error on ibscale. - // I check for this here and set the scale = precision. - //if (scale < 0) - // scale = (short) precision; - colDefs[i].CbValue = 0; - break; - case DB_DATA_TYPE_DATE: - fSqlType = pDb->typeInfDate.FsqlType; - precision = pDb->typeInfDate.Precision; - scale = 0; - colDefs[i].CbValue = 0; - break; - } - if (SQLBindParameter(hstmtUpdate, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype, - fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, - precision+1, &colDefs[i].CbValue) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); - } + return bindParams(FALSE); +} // wxDbTable::bindInsertParams() - // Completed successfully - return(TRUE); -} // wxTable::bindUpdateParams() +/********** wxDbTable::bindUpdateParams() **********/ +bool wxDbTable::bindUpdateParams(void) +{ + return bindParams(TRUE); +} // wxDbTable::bindUpdateParams() -/********** wxTable::bindCols() **********/ -bool wxTable::bindCols(HSTMT cursor) +/********** wxDbTable::bindCols() **********/ +bool wxDbTable::bindCols(HSTMT cursor) { - static SDWORD cb; - // Bind each column of the table to a memory address for fetching data - int i; + UWORD i; for (i = 0; i < noCols; i++) { - if (SQLBindCol(cursor, i+1, colDefs[i].SqlCtype, (UCHAR*) colDefs[i].PtrDataObj, - colDefs[i].SzDataObj, &cb) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, cursor)); + if (SQLBindCol(cursor, (UWORD)(i+1), colDefs[i].SqlCtype, (UCHAR*) colDefs[i].PtrDataObj, + colDefs[i].SzDataObj, &colDefs[i].CbValue ) != SQL_SUCCESS) + { + return (pDb->DispAllErrors(henv, hdbc, cursor)); + } } // Completed successfully return(TRUE); -} // wxTable::bindCols() +} // wxDbTable::bindCols() -/********** wxTable::getRec() **********/ -bool wxTable::getRec(UWORD fetchType) +/********** wxDbTable::getRec() **********/ +bool wxDbTable::getRec(UWORD fetchType) { RETCODE retcode; @@ -479,11 +553,21 @@ bool wxTable::getRec(UWORD fetchType) UWORD rowStatus; retcode = SQLExtendedFetch(hstmt, fetchType, 0, &cRowsFetched, &rowStatus); - if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) + { if (retcode == SQL_NO_DATA_FOUND) return(FALSE); else return(pDb->DispAllErrors(henv, hdbc, hstmt)); + } + else + { + // Set the Null member variable to indicate the Null state + // of each column just read in. + int i; + for (i = 0; i < noCols; i++) + colDefs[i].Null = (colDefs[i].CbValue == SQL_NULL_DATA); + } } else { @@ -496,46 +580,71 @@ bool wxTable::getRec(UWORD fetchType) else return(pDb->DispAllErrors(henv, hdbc, hstmt)); } + else + { + // Set the Null member variable to indicate the Null state + // of each column just read in. + int i; + for (i = 0; i < noCols; i++) + colDefs[i].Null = (colDefs[i].CbValue == SQL_NULL_DATA); + } } // Completed successfully return(TRUE); -} // wxTable::getRec() +} // wxDbTable::getRec() -/********** wxTable::execDelete() **********/ -bool wxTable::execDelete(const char *pSqlStmt) +/********** wxDbTable::execDelete() **********/ +bool wxDbTable::execDelete(const wxString &pSqlStmt) { + RETCODE retcode; + // Execute the DELETE statement - if (SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, hstmtDelete)); + retcode = SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS); - // Record deleted successfully - return(TRUE); + if (retcode == SQL_SUCCESS || + retcode == SQL_NO_DATA_FOUND || + retcode == SQL_SUCCESS_WITH_INFO) + { + // Record deleted successfully + return(TRUE); + } -} // wxTable::execDelete() + // Problem deleting record + return(pDb->DispAllErrors(henv, hdbc, hstmtDelete)); +} // wxDbTable::execDelete() -/********** wxTable::execUpdate() **********/ -bool wxTable::execUpdate(const char *pSqlStmt) + +/********** wxDbTable::execUpdate() **********/ +bool wxDbTable::execUpdate(const wxString &pSqlStmt) { + RETCODE retcode; + // Execute the UPDATE statement - if (SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); + retcode = SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS); - // Record deleted successfully - return(TRUE); + if (retcode == SQL_SUCCESS || + retcode == SQL_NO_DATA_FOUND || + retcode == SQL_SUCCESS_WITH_INFO) + { + // Record updated successfully + return(TRUE); + } -} // wxTable::execUpdate() + // Problem updating record + return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); +} // wxDbTable::execUpdate() -/********** wxTable::query() **********/ -bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt) + +/********** wxDbTable::query() **********/ +bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const wxString &pSqlStmt) { - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; - // Set the selectForUpdate member variable if (forUpdate) // The user may wish to select for update, but the DBMS may not be capable selectForUpdate = CanSelectForUpdate(); @@ -544,71 +653,109 @@ bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt // Set the SQL SELECT string if (queryType != DB_SELECT_STATEMENT) // A select statement was not passed in, - { // so generate a select statement. - GetSelectStmt(sqlStmt, queryType, distinct); + { // so generate a select statement. + BuildSelectStmt(sqlStmt, queryType, distinct); pDb->WriteSqlLog(sqlStmt); } // Make sure the cursor is closed first - if (! CloseCursor(hstmt)) + if (!CloseCursor(hstmt)) return(FALSE); // Execute the SQL SELECT statement int retcode; - - retcode = SQLExecDirect(hstmt, (UCHAR FAR *) (queryType == DB_SELECT_STATEMENT ? pSqlStmt : sqlStmt), SQL_NTS); + retcode = SQLExecDirect(hstmt, (UCHAR FAR *) (queryType == DB_SELECT_STATEMENT ? pSqlStmt.c_str() : sqlStmt.c_str()), SQL_NTS); if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) return(pDb->DispAllErrors(henv, hdbc, hstmt)); // Completed successfully return(TRUE); -} // wxTable::query() +} // wxDbTable::query() /***************************** PUBLIC FUNCTIONS *****************************/ -/********** wxTable::Open() **********/ -bool wxTable::Open(void) +/********** wxDbTable::Open() **********/ +bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists) { if (!pDb) return FALSE; int i; -// char sqlStmt[DB_MAX_STATEMENT_LEN]; wxString sqlStmt; + wxString s; +// int NumKeyCols=0; + + // Calculate the maximum size of the concatenated + // keys for use with wxDbGrid + m_keysize = 0; + for (i=0; i < noCols; i++) + { + if (colDefs[i].KeyField) + { +// NumKeyCols++; + m_keysize += colDefs[i].SzDataObj; + } + } + s.Empty(); // Verify that the table exists in the database - if (!pDb->TableExists(tableName,pDb->GetUsername(),tablePath)) + if (checkTableExists && !pDb->TableExists(tableName, pDb->GetUsername(), tablePath)) { - wxString s; - if (wxStrcmp(tablePath,"")) - s.sprintf("Error opening '%s/%s'.\n",tablePath,tableName); + s = wxT("Table/view does not exist in the database"); + if ( *(pDb->dbInf.accessibleTables) == wxT('Y')) + s += wxT(", or you have no permissions.\n"); else - s.sprintf("Error opening '%s'.\n", tableName); - if (!pDb->TableExists(tableName,NULL,tablePath)) - s += "Table/view does not exist in the database.\n"; + s += wxT(".\n"); + } + else if (checkPrivileges) + { + // Verify the user has rights to access the table. + // Shortcut boolean evaluation to optimize out call to + // TablePrivileges + // + // Unfortunately this optimization doesn't seem to be + // reliable! + if (// *(pDb->dbInf.accessibleTables) == 'N' && + !pDb->TablePrivileges(tableName,wxT("SELECT"), pDb->GetUsername(), pDb->GetUsername(), tablePath)) + s = wxT("Current logged in user does not have sufficient privileges to access this table.\n"); + } + + if (!s.IsEmpty()) + { + wxString p; + + if (!tablePath.IsEmpty()) + p.Printf(wxT("Error opening '%s/%s'.\n"),tablePath.c_str(),tableName.c_str()); else - s += "Current logged in user does not have sufficient privileges to access this table.\n"; - pDb->LogError(s.GetData()); + p.Printf(wxT("Error opening '%s'.\n"), tableName.c_str()); + + p += s; + pDb->LogError(p.GetData()); + return(FALSE); } // Bind the member variables for field exchange between - // the wxTable object and the ODBC record. + // the wxDbTable object and the ODBC record. if (!queryOnly) { if (!bindInsertParams()) // Inserts return(FALSE); + if (!bindUpdateParams()) // Updates return(FALSE); } + if (!bindCols(*hstmtDefault)) // Selects return(FALSE); + if (!bindCols(hstmtInternal)) // Internal use only return(FALSE); - /* + + /* * Do NOT bind the hstmtCount cursor!!! */ @@ -616,164 +763,249 @@ bool wxTable::Open(void) if (!queryOnly && noCols > 0) { bool needComma = FALSE; - sqlStmt.sprintf("INSERT INTO %s (", tableName); + sqlStmt.Printf(wxT("INSERT INTO %s ("), tableName.c_str()); for (i = 0; i < noCols; i++) { if (! colDefs[i].InsertAllowed) continue; if (needComma) - sqlStmt += ","; + sqlStmt += wxT(","); sqlStmt += colDefs[i].ColName; needComma = TRUE; } needComma = FALSE; - sqlStmt += ") VALUES ("; + sqlStmt += wxT(") VALUES ("); + + int insertableCount = 0; + for (i = 0; i < noCols; i++) { if (! colDefs[i].InsertAllowed) continue; if (needComma) - sqlStmt += ","; - sqlStmt += "?"; + sqlStmt += wxT(","); + sqlStmt += wxT("?"); needComma = TRUE; + insertableCount++; } - sqlStmt += ")"; - -// pDb->WriteSqlLog(sqlStmt); + sqlStmt += wxT(")"); // Prepare the insert statement for execution - if (SQLPrepare(hstmtInsert, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, hstmtInsert)); + if (insertableCount) + { + if (SQLPrepare(hstmtInsert, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) + return(pDb->DispAllErrors(henv, hdbc, hstmtInsert)); + } + else + insertable= FALSE; } - + // Completed successfully return(TRUE); -} // wxTable::Open() +} // wxDbTable::Open() -/********** wxTable::Query() **********/ -bool wxTable::Query(bool forUpdate, bool distinct) +/********** wxDbTable::Query() **********/ +bool wxDbTable::Query(bool forUpdate, bool distinct) { return(query(DB_SELECT_WHERE, forUpdate, distinct)); -} // wxTable::Query() +} // wxDbTable::Query() -/********** wxTable::QueryBySqlStmt() **********/ -bool wxTable::QueryBySqlStmt(char *pSqlStmt) +/********** wxDbTable::QueryBySqlStmt() **********/ +bool wxDbTable::QueryBySqlStmt(const wxString &pSqlStmt) { pDb->WriteSqlLog(pSqlStmt); return(query(DB_SELECT_STATEMENT, FALSE, FALSE, pSqlStmt)); -} // wxTable::QueryBySqlStmt() +} // wxDbTable::QueryBySqlStmt() -/********** wxTable::QueryMatching() **********/ -bool wxTable::QueryMatching(bool forUpdate, bool distinct) +/********** wxDbTable::QueryMatching() **********/ +bool wxDbTable::QueryMatching(bool forUpdate, bool distinct) { return(query(DB_SELECT_MATCHING, forUpdate, distinct)); -} // wxTable::QueryMatching() +} // wxDbTable::QueryMatching() -/********** wxTable::QueryOnKeyFields() **********/ -bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct) +/********** wxDbTable::QueryOnKeyFields() **********/ +bool wxDbTable::QueryOnKeyFields(bool forUpdate, bool distinct) { return(query(DB_SELECT_KEYFIELDS, forUpdate, distinct)); -} // wxTable::QueryOnKeyFields() +} // wxDbTable::QueryOnKeyFields() -/********** wxTable::GetPrev() **********/ -bool wxTable::GetPrev(void) +/********** wxDbTable::GetPrev() **********/ +bool wxDbTable::GetPrev(void) { if (pDb->FwdOnlyCursors()) { - wxFAIL_MSG(wxT("GetPrev()::Backward scrolling cursors are not enabled for this instance of wxTable")); + wxFAIL_MSG(wxT("GetPrev()::Backward scrolling cursors are not enabled for this instance of wxDbTable")); return FALSE; } else return(getRec(SQL_FETCH_PRIOR)); -} // wxTable::GetPrev() +} // wxDbTable::GetPrev() -/********** wxTable::operator-- **********/ -bool wxTable::operator--(int) + +/********** wxDbTable::operator-- **********/ +bool wxDbTable::operator--(int) { if (pDb->FwdOnlyCursors()) { - wxFAIL_MSG(wxT("operator--:Backward scrolling cursors are not enabled for this instance of wxTable")); + wxFAIL_MSG(wxT("operator--:Backward scrolling cursors are not enabled for this instance of wxDbTable")); return FALSE; } else return(getRec(SQL_FETCH_PRIOR)); -} // wxTable::operator-- + +} // wxDbTable::operator-- -/********** wxTable::GetFirst() **********/ -bool wxTable::GetFirst(void) +/********** wxDbTable::GetFirst() **********/ +bool wxDbTable::GetFirst(void) { if (pDb->FwdOnlyCursors()) { - wxFAIL_MSG(wxT("GetFirst():Backward scrolling cursors are not enabled for this instance of wxTable")); + wxFAIL_MSG(wxT("GetFirst():Backward scrolling cursors are not enabled for this instance of wxDbTable")); return FALSE; } else return(getRec(SQL_FETCH_FIRST)); -} // wxTable::GetFirst() +} // wxDbTable::GetFirst() -/********** wxTable::GetLast() **********/ -bool wxTable::GetLast(void) + +/********** wxDbTable::GetLast() **********/ +bool wxDbTable::GetLast(void) { if (pDb->FwdOnlyCursors()) { - wxFAIL_MSG(wxT("GetLast()::Backward scrolling cursors are not enabled for this instance of wxTable")); + wxFAIL_MSG(wxT("GetLast()::Backward scrolling cursors are not enabled for this instance of wxDbTable")); return FALSE; } - else + else return(getRec(SQL_FETCH_LAST)); -} // wxTable::GetLast() + +} // wxDbTable::GetLast() + + +/********** wxDbTable::BuildDeleteStmt() **********/ +void wxDbTable::BuildDeleteStmt(wxString &pSqlStmt, int typeOfDel, const wxString &pWhereClause) +{ + wxASSERT(!queryOnly); + if (queryOnly) + return; + + wxString whereClause; + + whereClause.Empty(); + + // Handle the case of DeleteWhere() and the where clause is blank. It should + // delete all records from the database in this case. + if (typeOfDel == DB_DEL_WHERE && (pWhereClause.Length() == 0)) + { + pSqlStmt.Printf(wxT("DELETE FROM %s"), tableName.c_str()); + return; + } + + pSqlStmt.Printf(wxT("DELETE FROM %s WHERE "), tableName.c_str()); + + // Append the WHERE clause to the SQL DELETE statement + switch(typeOfDel) + { + case DB_DEL_KEYFIELDS: + // If the datasource supports the ROWID column, build + // the where on ROWID for efficiency purposes. + // e.g. DELETE FROM PARTS WHERE ROWID = '111.222.333' + if (CanUpdByROWID()) + { + SDWORD cb; + wxChar rowid[wxDB_ROWID_LEN+1]; + + // Get the ROWID value. If not successful retreiving the ROWID, + // simply fall down through the code and build the WHERE clause + // based on the key fields. + if (SQLGetData(hstmt, (UWORD)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS) + { + pSqlStmt += wxT("ROWID = '"); + pSqlStmt += rowid; + pSqlStmt += wxT("'"); + break; + } + } + // Unable to delete by ROWID, so build a WHERE + // clause based on the keyfields. + BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS); + pSqlStmt += whereClause; + break; + case DB_DEL_WHERE: + pSqlStmt += pWhereClause; + break; + case DB_DEL_MATCHING: + BuildWhereClause(whereClause, DB_WHERE_MATCHING); + pSqlStmt += whereClause; + break; + } + +} // BuildDeleteStmt() -/********** wxTable::GetSelectStmt() **********/ -void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct) +/***** DEPRECATED: use wxDbTable::BuildDeleteStmt(wxString &....) form *****/ +void wxDbTable::BuildDeleteStmt(wxChar *pSqlStmt, int typeOfDel, const wxString &pWhereClause) { - char whereClause[DB_MAX_WHERE_CLAUSE_LEN]; + wxString tempSqlStmt; + BuildDeleteStmt(tempSqlStmt, typeOfDel, pWhereClause); + wxStrcpy(pSqlStmt, tempSqlStmt); +} // wxDbTable::BuildDeleteStmt() - whereClause[0] = 0; + +/********** wxDbTable::BuildSelectStmt() **********/ +void wxDbTable::BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool distinct) +{ + wxString whereClause; + whereClause.Empty(); // Build a select statement to query the database - wxStrcpy(pSqlStmt, "SELECT "); + pSqlStmt = wxT("SELECT "); // SELECT DISTINCT values only? if (distinct) - wxStrcat(pSqlStmt, "DISTINCT "); + pSqlStmt += wxT("DISTINCT "); // Was a FROM clause specified to join tables to the base table? // Available for ::Query() only!!! bool appendFromClause = FALSE; +#if wxODBC_BACKWARD_COMPATABILITY if (typeOfSelect == DB_SELECT_WHERE && from && wxStrlen(from)) appendFromClause = TRUE; +#else + if (typeOfSelect == DB_SELECT_WHERE && from.Length()) + appendFromClause = TRUE; +#endif // Add the column list int i; for (i = 0; i < noCols; i++) { // If joining tables, the base table column names must be qualified to avoid ambiguity - if (appendFromClause) + if (appendFromClause || pDb->Dbms() == dbmsACCESS) { - wxStrcat(pSqlStmt, queryTableName); - wxStrcat(pSqlStmt, "."); + pSqlStmt += queryTableName; + pSqlStmt += wxT("."); } - wxStrcat(pSqlStmt, colDefs[i].ColName); + pSqlStmt += colDefs[i].ColName; if (i + 1 < noCols) - wxStrcat(pSqlStmt, ","); + pSqlStmt += wxT(","); } // If the datasource supports ROWID, get this column as well. Exception: Don't retrieve @@ -781,19 +1013,19 @@ void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct) if (!distinct && CanUpdByROWID()) { // If joining tables, the base table column names must be qualified to avoid ambiguity - if (appendFromClause) + if (appendFromClause || pDb->Dbms() == dbmsACCESS) { - wxStrcat(pSqlStmt, ","); - wxStrcat(pSqlStmt, queryTableName); - wxStrcat(pSqlStmt, ".ROWID"); + pSqlStmt += wxT(","); + pSqlStmt += queryTableName; + pSqlStmt += wxT(".ROWID"); } else - wxStrcat(pSqlStmt, ",ROWID"); + pSqlStmt += wxT(",ROWID"); } // Append the FROM tablename portion - wxStrcat(pSqlStmt, " FROM "); - wxStrcat(pSqlStmt, queryTableName); + pSqlStmt += wxT(" FROM "); + pSqlStmt += queryTableName; // Sybase uses the HOLDLOCK keyword to lock a record during query. // The HOLDLOCK keyword follows the table name in the from clause. @@ -801,97 +1033,266 @@ void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct) // NOHOLDLOCK (the default). Note: The "FOR UPDATE" clause // is parsed but ignored in SYBASE Transact-SQL. if (selectForUpdate && (pDb->Dbms() == dbmsSYBASE_ASA || pDb->Dbms() == dbmsSYBASE_ASE)) - wxStrcat(pSqlStmt, " HOLDLOCK"); + pSqlStmt += wxT(" HOLDLOCK"); if (appendFromClause) - wxStrcat(pSqlStmt, from); + pSqlStmt += from; // Append the WHERE clause. Either append the where clause for the class // or build a where clause. The typeOfSelect determines this. switch(typeOfSelect) { - case DB_SELECT_WHERE: - if (where && wxStrlen(where)) // May not want a where clause!!! - { - wxStrcat(pSqlStmt, " WHERE "); - wxStrcat(pSqlStmt, where); - } - break; - case DB_SELECT_KEYFIELDS: - GetWhereClause(whereClause, DB_WHERE_KEYFIELDS); - if (wxStrlen(whereClause)) - { - wxStrcat(pSqlStmt, " WHERE "); - wxStrcat(pSqlStmt, whereClause); - } - break; - case DB_SELECT_MATCHING: - GetWhereClause(whereClause, DB_WHERE_MATCHING); - if (wxStrlen(whereClause)) - { - wxStrcat(pSqlStmt, " WHERE "); - wxStrcat(pSqlStmt, whereClause); - } - break; + case DB_SELECT_WHERE: +#if wxODBC_BACKWARD_COMPATABILITY + if (where && wxStrlen(where)) // May not want a where clause!!! +#else + if (where.Length()) // May not want a where clause!!! +#endif + { + pSqlStmt += wxT(" WHERE "); + pSqlStmt += where; + } + break; + case DB_SELECT_KEYFIELDS: + BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS); + if (whereClause.Length()) + { + pSqlStmt += wxT(" WHERE "); + pSqlStmt += whereClause; + } + break; + case DB_SELECT_MATCHING: + BuildWhereClause(whereClause, DB_WHERE_MATCHING); + if (whereClause.Length()) + { + pSqlStmt += wxT(" WHERE "); + pSqlStmt += whereClause; + } + break; } // Append the ORDER BY clause +#if wxODBC_BACKWARD_COMPATABILITY if (orderBy && wxStrlen(orderBy)) +#else + if (orderBy.Length()) +#endif { - wxStrcat(pSqlStmt, " ORDER BY "); - wxStrcat(pSqlStmt, orderBy); + pSqlStmt += wxT(" ORDER BY "); + pSqlStmt += orderBy; } // SELECT FOR UPDATE if told to do so and the datasource is capable. Sybase // parses the FOR UPDATE clause but ignores it. See the comment above on the // HOLDLOCK for Sybase. if (selectForUpdate && CanSelectForUpdate()) - wxStrcat(pSqlStmt, " FOR UPDATE"); + pSqlStmt += wxT(" FOR UPDATE"); -} // wxTable::GetSelectStmt() +} // wxDbTable::BuildSelectStmt() -/********** wxTable::GetRowNum() **********/ -UWORD wxTable::GetRowNum(void) +/***** DEPRECATED: use wxDbTable::BuildSelectStmt(wxString &....) form *****/ +void wxDbTable::BuildSelectStmt(wxChar *pSqlStmt, int typeOfSelect, bool distinct) { - UDWORD rowNum; + wxString tempSqlStmt; + BuildSelectStmt(tempSqlStmt, typeOfSelect, distinct); + wxStrcpy(pSqlStmt, tempSqlStmt); +} // wxDbTable::BuildSelectStmt() - if (SQLGetStmtOption(hstmt, SQL_ROW_NUMBER, (UCHAR*) &rowNum) != SQL_SUCCESS) - { - pDb->DispAllErrors(henv, hdbc, hstmt); - return(0); - } - // Completed successfully - return((UWORD) rowNum); +/********** wxDbTable::BuildUpdateStmt() **********/ +void wxDbTable::BuildUpdateStmt(wxString &pSqlStmt, int typeOfUpd, const wxString &pWhereClause) +{ + wxASSERT(!queryOnly); + if (queryOnly) + return; -} // wxTable::GetRowNum() + wxString whereClause; + whereClause.Empty(); + bool firstColumn = TRUE; -/********** wxTable::CloseCursor() **********/ -bool wxTable::CloseCursor(HSTMT cursor) -{ - if (SQLFreeStmt(cursor, SQL_CLOSE) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, cursor)); + pSqlStmt.Printf(wxT("UPDATE %s SET "), tableName.Upper().c_str()); - // Completed successfully - return(TRUE); + // Append a list of columns to be updated + int i; + for (i = 0; i < noCols; i++) + { + // Only append Updateable columns + if (colDefs[i].Updateable) + { + if (!firstColumn) + pSqlStmt += wxT(","); + else + firstColumn = FALSE; + pSqlStmt += colDefs[i].ColName; + pSqlStmt += wxT(" = ?"); + } + } + + // Append the WHERE clause to the SQL UPDATE statement + pSqlStmt += wxT(" WHERE "); + switch(typeOfUpd) + { + case DB_UPD_KEYFIELDS: + // If the datasource supports the ROWID column, build + // the where on ROWID for efficiency purposes. + // e.g. UPDATE PARTS SET Col1 = ?, Col2 = ? WHERE ROWID = '111.222.333' + if (CanUpdByROWID()) + { + SDWORD cb; + wxChar rowid[wxDB_ROWID_LEN+1]; -} // wxTable::CloseCursor() + // Get the ROWID value. If not successful retreiving the ROWID, + // simply fall down through the code and build the WHERE clause + // based on the key fields. + if (SQLGetData(hstmt, (UWORD)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS) + { + pSqlStmt += wxT("ROWID = '"); + pSqlStmt += rowid; + pSqlStmt += wxT("'"); + break; + } + } + // Unable to delete by ROWID, so build a WHERE + // clause based on the keyfields. + BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS); + pSqlStmt += whereClause; + break; + case DB_UPD_WHERE: + pSqlStmt += pWhereClause; + break; + } +} // BuildUpdateStmt() -/********** wxTable::CreateTable() **********/ -bool wxTable::CreateTable(bool attemptDrop) +/***** DEPRECATED: use wxDbTable::BuildUpdateStmt(wxString &....) form *****/ +void wxDbTable::BuildUpdateStmt(wxChar *pSqlStmt, int typeOfUpd, const wxString &pWhereClause) { - if (!pDb) + wxString tempSqlStmt; + BuildUpdateStmt(tempSqlStmt, typeOfUpd, pWhereClause); + wxStrcpy(pSqlStmt, tempSqlStmt); +} // BuildUpdateStmt() + + +/********** wxDbTable::BuildWhereClause() **********/ +void wxDbTable::BuildWhereClause(wxString &pWhereClause, int typeOfWhere, + const wxString &qualTableName, bool useLikeComparison) +/* + * Note: BuildWhereClause() currently ignores timestamp columns. + * They are not included as part of the where clause. + */ +{ + bool moreThanOneColumn = FALSE; + wxString colValue; + + // Loop through the columns building a where clause as you go + int i; + for (i = 0; i < noCols; i++) + { + // Determine if this column should be included in the WHERE clause + if ((typeOfWhere == DB_WHERE_KEYFIELDS && colDefs[i].KeyField) || + (typeOfWhere == DB_WHERE_MATCHING && (!IsColNull(i)))) + { + // Skip over timestamp columns + if (colDefs[i].SqlCtype == SQL_C_TIMESTAMP) + continue; + // If there is more than 1 column, join them with the keyword "AND" + if (moreThanOneColumn) + pWhereClause += wxT(" AND "); + else + moreThanOneColumn = TRUE; + // Concatenate where phrase for the column + if (qualTableName.Length()) + { + pWhereClause += qualTableName; + pWhereClause += wxT("."); + } + pWhereClause += colDefs[i].ColName; + if (useLikeComparison && (colDefs[i].SqlCtype == SQL_C_CHAR)) + pWhereClause += wxT(" LIKE "); + else + pWhereClause += wxT(" = "); + switch(colDefs[i].SqlCtype) + { + case SQL_C_CHAR: + colValue.Printf(wxT("'%s'"), (UCHAR FAR *) colDefs[i].PtrDataObj); + break; + case SQL_C_SSHORT: + colValue.Printf(wxT("%hi"), *((SWORD *) colDefs[i].PtrDataObj)); + break; + case SQL_C_USHORT: + colValue.Printf(wxT("%hu"), *((UWORD *) colDefs[i].PtrDataObj)); + break; + case SQL_C_SLONG: + colValue.Printf(wxT("%li"), *((SDWORD *) colDefs[i].PtrDataObj)); + break; + case SQL_C_ULONG: + colValue.Printf(wxT("%lu"), *((UDWORD *) colDefs[i].PtrDataObj)); + break; + case SQL_C_FLOAT: + colValue.Printf(wxT("%.6f"), *((SFLOAT *) colDefs[i].PtrDataObj)); + break; + case SQL_C_DOUBLE: + colValue.Printf(wxT("%.6f"), *((SDOUBLE *) colDefs[i].PtrDataObj)); + break; + } + pWhereClause += colValue; + } + } +} // wxDbTable::BuildWhereClause() + + +/***** DEPRECATED: use wxDbTable::BuildWhereClause(wxString &....) form *****/ +void wxDbTable::BuildWhereClause(wxChar *pWhereClause, int typeOfWhere, + const wxString &qualTableName, bool useLikeComparison) +{ + wxString tempSqlStmt; + BuildWhereClause(tempSqlStmt, typeOfWhere, qualTableName, useLikeComparison); + wxStrcpy(pWhereClause, tempSqlStmt); +} // wxDbTable::BuildWhereClause() + + +/********** wxDbTable::GetRowNum() **********/ +UWORD wxDbTable::GetRowNum(void) +{ + UDWORD rowNum; + + if (SQLGetStmtOption(hstmt, SQL_ROW_NUMBER, (UCHAR*) &rowNum) != SQL_SUCCESS) + { + pDb->DispAllErrors(henv, hdbc, hstmt); + return(0); + } + + // Completed successfully + return((UWORD) rowNum); + +} // wxDbTable::GetRowNum() + + +/********** wxDbTable::CloseCursor() **********/ +bool wxDbTable::CloseCursor(HSTMT cursor) +{ + if (SQLFreeStmt(cursor, SQL_CLOSE) != SQL_SUCCESS) + return(pDb->DispAllErrors(henv, hdbc, cursor)); + + // Completed successfully + return(TRUE); + +} // wxDbTable::CloseCursor() + + +/********** wxDbTable::CreateTable() **********/ +bool wxDbTable::CreateTable(bool attemptDrop) +{ + if (!pDb) return FALSE; int i, j; -// char sqlStmt[DB_MAX_STATEMENT_LEN]; wxString sqlStmt; #ifdef DBDEBUG_CONSOLE - cout << "Creating Table " << tableName << "..." << endl; + cout << wxT("Creating Table ") << tableName << wxT("...") << endl; #endif // Drop table first @@ -905,20 +1306,23 @@ bool wxTable::CreateTable(bool attemptDrop) // Exclude derived columns since they are NOT part of the base table if (colDefs[i].DerivedCol) continue; - cout << i + 1 << ": " << colDefs[i].ColName << "; "; + cout << i + 1 << wxT(": ") << colDefs[i].ColName << wxT("; "); switch(colDefs[i].DbDataType) { case DB_DATA_TYPE_VARCHAR: - cout << pDb->typeInfVarchar.TypeName << "(" << colDefs[i].SzDataObj << ")"; + cout << pDb->GetTypeInfVarchar().TypeName << wxT("(") << colDefs[i].SzDataObj << wxT(")"); break; case DB_DATA_TYPE_INTEGER: - cout << pDb->typeInfInteger.TypeName; + cout << pDb->GetTypeInfInteger().TypeName; break; case DB_DATA_TYPE_FLOAT: - cout << pDb->typeInfFloat.TypeName; + cout << pDb->GetTypeInfFloat().TypeName; break; case DB_DATA_TYPE_DATE: - cout << pDb->typeInfDate.TypeName; + cout << pDb->GetTypeInfDate().TypeName; + break; + case DB_DATA_TYPE_BLOB: + cout << pDb->GetTypeInfBlob().TypeName; break; } cout << endl; @@ -927,7 +1331,7 @@ bool wxTable::CreateTable(bool attemptDrop) // Build a CREATE TABLE string from the colDefs structure. bool needComma = FALSE; - sqlStmt.sprintf("CREATE TABLE %s (", tableName); + sqlStmt.Printf(wxT("CREATE TABLE %s ("), tableName.c_str()); for (i = 0; i < noCols; i++) { @@ -936,41 +1340,50 @@ bool wxTable::CreateTable(bool attemptDrop) continue; // Comma Delimiter if (needComma) - sqlStmt += ","; + sqlStmt += wxT(","); // Column Name sqlStmt += colDefs[i].ColName; - sqlStmt += " "; + sqlStmt += wxT(" "); // Column Type switch(colDefs[i].DbDataType) { case DB_DATA_TYPE_VARCHAR: - sqlStmt += pDb->typeInfVarchar.TypeName; break; + sqlStmt += pDb->GetTypeInfVarchar().TypeName; + break; case DB_DATA_TYPE_INTEGER: - sqlStmt += pDb->typeInfInteger.TypeName; break; + sqlStmt += pDb->GetTypeInfInteger().TypeName; + break; case DB_DATA_TYPE_FLOAT: - sqlStmt += pDb->typeInfFloat.TypeName; break; + sqlStmt += pDb->GetTypeInfFloat().TypeName; + break; case DB_DATA_TYPE_DATE: - sqlStmt += pDb->typeInfDate.TypeName; break; + sqlStmt += pDb->GetTypeInfDate().TypeName; + break; + case DB_DATA_TYPE_BLOB: + sqlStmt += pDb->GetTypeInfBlob().TypeName; + break; } // For varchars, append the size of the string - if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR) + if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR)// || +// colDefs[i].DbDataType == DB_DATA_TYPE_BLOB) { wxString s; - // wxStrcat(sqlStmt, "("); - // wxStrcat(sqlStmt, itoa(colDefs[i].SzDataObj, s, 10)); - // wxStrcat(sqlStmt, ")"); - s.sprintf("(%d)", colDefs[i].SzDataObj); - sqlStmt += s.GetData(); + s.Printf(wxT("(%d)"), colDefs[i].SzDataObj); + sqlStmt += s; } - if (pDb->Dbms() == dbmsSYBASE_ASE || pDb->Dbms() == dbmsMY_SQL) + if (pDb->Dbms() == dbmsDB2 || + pDb->Dbms() == dbmsMY_SQL || + pDb->Dbms() == dbmsSYBASE_ASE || + pDb->Dbms() == dbmsINTERBASE || + pDb->Dbms() == dbmsMS_SQL_SERVER) { if (colDefs[i].KeyField) { - sqlStmt += " NOT NULL"; + sqlStmt += wxT(" NOT NULL"); } } - + needComma = TRUE; } // If there is a primary key defined, include it in the create statement @@ -984,16 +1397,32 @@ bool wxTable::CreateTable(bool attemptDrop) } if (j && pDb->Dbms() != dbmsDBASE) // Found a keyfield { - if (pDb->Dbms() != dbmsMY_SQL) - { - sqlStmt += ",CONSTRAINT "; - sqlStmt += tableName; - sqlStmt += "_PIDX PRIMARY KEY ("; - } - else + switch (pDb->Dbms()) { - /* MySQL goes out on this one. We also declare the relevant key NON NULL above */ - sqlStmt += ", PRIMARY KEY ("; + case dbmsINFORMIX: + case dbmsSYBASE_ASA: + case dbmsSYBASE_ASE: + case dbmsMY_SQL: + { + // MySQL goes out on this one. We also declare the relevant key NON NULL above + sqlStmt += wxT(",PRIMARY KEY ("); + break; + } + default: + { + sqlStmt += wxT(",CONSTRAINT "); + // DB2 is limited to 18 characters for index names + if (pDb->Dbms() == dbmsDB2) + { + wxASSERT_MSG((tableName && wxStrlen(tableName) <= 13), wxT("DB2 table/index names must be no longer than 13 characters in length.\n\nTruncating table name to 13 characters.")); + sqlStmt += tableName.substr(0, 13); + } + else + sqlStmt += tableName; + + sqlStmt += wxT("_PIDX PRIMARY KEY ("); + break; + } } // List column name(s) of column(s) comprising the primary key @@ -1002,23 +1431,32 @@ bool wxTable::CreateTable(bool attemptDrop) if (colDefs[i].KeyField) { if (j++) // Multi part key, comma separate names - sqlStmt += ","; + sqlStmt += wxT(","); sqlStmt += colDefs[i].ColName; } } - sqlStmt += ")"; + sqlStmt += wxT(")"); + + if (pDb->Dbms() == dbmsINFORMIX || + pDb->Dbms() == dbmsSYBASE_ASA || + pDb->Dbms() == dbmsSYBASE_ASE) + { + sqlStmt += wxT(" CONSTRAINT "); + sqlStmt += tableName; + sqlStmt += wxT("_PIDX"); + } } // Append the closing parentheses for the create table statement - sqlStmt += ")"; + sqlStmt += wxT(")"); - pDb->WriteSqlLog(sqlStmt.GetData()); + pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt.GetData() << endl; + cout << endl << sqlStmt.c_str() << endl; #endif // Execute the CREATE TABLE statement - RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS); + RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS); if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) { pDb->DispAllErrors(henv, hdbc, hstmt); @@ -1028,51 +1466,56 @@ bool wxTable::CreateTable(bool attemptDrop) } // Commit the transaction and close the cursor - if (! pDb->CommitTrans()) + if (!pDb->CommitTrans()) return(FALSE); - if (! CloseCursor(hstmt)) + if (!CloseCursor(hstmt)) return(FALSE); // Database table created successfully return(TRUE); -} // wxTable::CreateTable() +} // wxDbTable::CreateTable() -/********** wxTable::DropTable() **********/ -bool wxTable::DropTable() +/********** wxDbTable::DropTable() **********/ +bool wxDbTable::DropTable() { // NOTE: This function returns TRUE if the Table does not exist, but // only for identified databases. Code will need to be added - // below for any other databases when those databases are defined + // below for any other databases when those databases are defined // to handle this situation consistently -// char sqlStmt[DB_MAX_STATEMENT_LEN]; wxString sqlStmt; - sqlStmt.sprintf("DROP TABLE %s", tableName); + sqlStmt.Printf(wxT("DROP TABLE %s"), tableName.c_str()); - pDb->WriteSqlLog(sqlStmt.GetData()); + pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt.GetData() << endl; + cout << endl << sqlStmt.c_str() << endl; #endif - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS) + + + + RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS); + if (retcode != SQL_SUCCESS) { // Check for "Base table not found" error and ignore pDb->GetNextError(henv, hdbc, hstmt); - if (wxStrcmp(pDb->sqlState,"S0002")) // "Base table not found" + if (wxStrcmp(pDb->sqlState, wxT("S0002")) /*&& + wxStrcmp(pDb->sqlState, wxT("S1000"))*/) // "Base table not found" { // Check for product specific error codes - if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,"42000")) || // 5.x (and lower?) - (pDb->Dbms() == dbmsMY_SQL && !wxStrcmp(pDb->sqlState,"S1000")) || // untested - (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,"08S01")))) // untested + if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,wxT("42000"))) || // 5.x (and lower?) + (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,wxT("37000"))) || + (pDb->Dbms() == dbmsPERVASIVE_SQL && !wxStrcmp(pDb->sqlState,wxT("S1000"))) || // Returns an S1000 then an S0002 + (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,wxT("08S01"))))) { pDb->DispNextError(); pDb->DispAllErrors(henv, hdbc, hstmt); pDb->RollbackTrans(); - CloseCursor(hstmt); +// CloseCursor(hstmt); return(FALSE); } } @@ -1085,59 +1528,119 @@ bool wxTable::DropTable() return(FALSE); return(TRUE); -} // wxTable::DropTable() +} // wxDbTable::DropTable() -/********** wxTable::CreateIndex() **********/ -bool wxTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs, bool attemptDrop) +/********** wxDbTable::CreateIndex() **********/ +bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCols, + wxDbIdxDef *pIdxDefs, bool attemptDrop) { -// char sqlStmt[DB_MAX_STATEMENT_LEN]; wxString sqlStmt; // Drop the index first if (attemptDrop && !DropIndex(idxName)) return (FALSE); + // MySQL (and possibly Sybase ASE?? - gt) require that any columns which are used as portions + // of an index have the columns defined as "NOT NULL". During initial table creation though, + // it may not be known which columns are necessarily going to be part of an index (e.g. the + // table was created, then months later you determine that an additional index while + // give better performance, so you want to add an index). + // + // The following block of code will modify the column definition to make the column be + // defined with the "NOT NULL" qualifier. + if (pDb->Dbms() == dbmsMY_SQL) + { + wxString sqlStmt; + int i; + bool ok = TRUE; + for (i = 0; i < noIdxCols && ok; i++) + { + int j = 0; + bool found = FALSE; + // Find the column definition that has the ColName that matches the + // index column name. We need to do this to get the DB_DATA_TYPE of + // the index column, as MySQL's syntax for the ALTER column requires + // this information + while (!found && (j < this->noCols)) + { + if (wxStrcmp(colDefs[j].ColName,pIdxDefs[i].ColName) == 0) + found = TRUE; + if (!found) + j++; + } + + if (found) + { + ok = pDb->ModifyColumn(tableName, pIdxDefs[i].ColName, + colDefs[j].DbDataType, colDefs[j].SzDataObj, + wxT("NOT NULL")); + + if (!ok) + { + wxODBC_ERRORS retcode; + // Oracle returns a DB_ERR_GENERAL_ERROR if the column is already + // defined to be NOT NULL, but reportedly MySQL doesn't mind. + // This line is just here for debug checking of the value + retcode = (wxODBC_ERRORS)pDb->DB_STATUS; + } + } + else + ok = FALSE; + } + if (ok) + pDb->CommitTrans(); + else + { + pDb->RollbackTrans(); + return(FALSE); + } + } + // Build a CREATE INDEX statement - sqlStmt = "CREATE "; + sqlStmt = wxT("CREATE "); if (unique) - sqlStmt += "UNIQUE "; + sqlStmt += wxT("UNIQUE "); - sqlStmt += "INDEX "; + sqlStmt += wxT("INDEX "); sqlStmt += idxName; - sqlStmt += " ON "; + sqlStmt += wxT(" ON "); sqlStmt += tableName; - sqlStmt += " ("; + sqlStmt += wxT(" ("); // Append list of columns making up index int i; for (i = 0; i < noIdxCols; i++) { sqlStmt += pIdxDefs[i].ColName; - /* Postgres doesn't cope with ASC */ - if (pDb->Dbms() != dbmsPOSTGRES) + + // Postgres and SQL Server 7 do not support the ASC/DESC keywords for index columns + if (!((pDb->Dbms() == dbmsMS_SQL_SERVER) && (strncmp(pDb->dbInf.dbmsVer,"07",2)==0)) && + !(pDb->Dbms() == dbmsPOSTGRES)) { if (pIdxDefs[i].Ascending) - sqlStmt += " ASC"; + sqlStmt += wxT(" ASC"); else - sqlStmt += " DESC"; + sqlStmt += wxT(" DESC"); } + else + wxASSERT_MSG(pIdxDefs[i].Ascending, "Datasource does not support DESCending index columns"); if ((i + 1) < noIdxCols) - sqlStmt += ","; + sqlStmt += wxT(","); } - + // Append closing parentheses - sqlStmt += ")"; + sqlStmt += wxT(")"); - pDb->WriteSqlLog(sqlStmt.GetData()); + pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt.GetData() << endl << endl; + cout << endl << sqlStmt.c_str() << endl << endl; #endif // Execute the CREATE INDEX statement - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS) + if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) { pDb->DispAllErrors(henv, hdbc, hstmt); pDb->RollbackTrans(); @@ -1154,44 +1657,49 @@ bool wxTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, Cidx // Index Created Successfully return(TRUE); -} // wxTable::CreateIndex() +} // wxDbTable::CreateIndex() -/********** wxTable::DropIndex() **********/ -bool wxTable::DropIndex(const char * idxName) +/********** wxDbTable::DropIndex() **********/ +bool wxDbTable::DropIndex(const wxString &idxName) { // NOTE: This function returns TRUE if the Index does not exist, but // only for identified databases. Code will need to be added - // below for any other databases when those databases are defined + // below for any other databases when those databases are defined // to handle this situation consistently -// char sqlStmt[DB_MAX_STATEMENT_LEN]; wxString sqlStmt; - if (pDb->Dbms() == dbmsACCESS) - sqlStmt.sprintf("DROP INDEX %s ON %s",idxName,tableName); - else if (pDb->Dbms() == dbmsSYBASE_ASE) - sqlStmt.sprintf("DROP INDEX %s.%s",tableName,idxName); + if (pDb->Dbms() == dbmsACCESS || pDb->Dbms() == dbmsMY_SQL || + pDb->Dbms() == dbmsDBASE /*|| Paradox needs this syntax too when we add support*/) + sqlStmt.Printf(wxT("DROP INDEX %s ON %s"),idxName.c_str(), tableName.c_str()); + else if ((pDb->Dbms() == dbmsMS_SQL_SERVER) || + (pDb->Dbms() == dbmsSYBASE_ASE)) + sqlStmt.Printf(wxT("DROP INDEX %s.%s"),tableName.c_str(), idxName.c_str()); else - sqlStmt.sprintf("DROP INDEX %s",idxName); + sqlStmt.Printf(wxT("DROP INDEX %s"),idxName.c_str()); - pDb->WriteSqlLog(sqlStmt.GetData()); + pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt.GetData() << endl; + cout << endl << sqlStmt.c_str() << endl; #endif - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS) + if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) { // Check for "Index not found" error and ignore pDb->GetNextError(henv, hdbc, hstmt); - if (wxStrcmp(pDb->sqlState,"S0012")) // "Index not found" + if (wxStrcmp(pDb->sqlState,wxT("S0012"))) // "Index not found" { // Check for product specific error codes - if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,"42000")) || // v5.x (and lower?) - (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,"S0002")) || // Base table not found - (pDb->Dbms() == dbmsMY_SQL && !wxStrcmp(pDb->sqlState,"42S02")) // untested - )) + if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,wxT("42000"))) || // v5.x (and lower?) + (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,wxT("37000"))) || + (pDb->Dbms() == dbmsMS_SQL_SERVER && !wxStrcmp(pDb->sqlState,wxT("S1000"))) || + (pDb->Dbms() == dbmsINTERBASE && !wxStrcmp(pDb->sqlState,wxT("S1000"))) || + (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,wxT("S0002"))) || // Base table not found + (pDb->Dbms() == dbmsMY_SQL && !wxStrcmp(pDb->sqlState,wxT("42S12"))) || // tested by Christopher Ludwik Marino-Cebulski using v3.23.21beta + (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,wxT("08S01"))) + )) { pDb->DispNextError(); pDb->DispAllErrors(henv, hdbc, hstmt); @@ -1209,14 +1717,50 @@ bool wxTable::DropIndex(const char * idxName) return(FALSE); return(TRUE); -} // wxTable::DropIndex() +} // wxDbTable::DropIndex() -/********** wxTable::Insert() **********/ -int wxTable::Insert(void) +/********** wxDbTable::SetOrderByColNums() **********/ +bool wxDbTable::SetOrderByColNums(UWORD first, ... ) { - assert(!queryOnly); - if (queryOnly) + int colNo = first; // using 'int' to be able to look for wxDB_NO_MORE_COLUN_NUMBERS + va_list argptr; + + bool abort = FALSE; + wxString tempStr; + + va_start(argptr, first); /* Initialize variable arguments. */ + while (!abort && (colNo != wxDB_NO_MORE_COLUMN_NUMBERS)) + { + // Make sure the passed in column number + // is within the valid range of columns + // + // Valid columns are 0 thru noCols-1 + if (colNo >= noCols || colNo < 0) + { + abort = TRUE; + continue; + } + + if (colNo != first) + tempStr += wxT(","); + + tempStr += colDefs[colNo].ColName; + colNo = va_arg (argptr, int); + } + va_end (argptr); /* Reset variable arguments. */ + + SetOrderByClause(tempStr); + + return (!abort); +} // wxDbTable::SetOrderByColNums() + + +/********** wxDbTable::Insert() **********/ +int wxDbTable::Insert(void) +{ + wxASSERT(!queryOnly); + if (queryOnly || !insertable) return(DB_FAILURE); bindInsertParams(); @@ -1228,7 +1772,7 @@ int wxTable::Insert(void) { // Check to see if integrity constraint was violated pDb->GetNextError(henv, hdbc, hstmtInsert); - if (! wxStrcmp(pDb->sqlState, "23000")) // Integrity constraint violated + if (! wxStrcmp(pDb->sqlState, wxT("23000"))) // Integrity constraint violated return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL); else { @@ -1241,37 +1785,37 @@ int wxTable::Insert(void) // Record inserted into the datasource successfully return(DB_SUCCESS); -} // wxTable::Insert() +} // wxDbTable::Insert() -/********** wxTable::Update() **********/ -bool wxTable::Update(void) +/********** wxDbTable::Update() **********/ +bool wxDbTable::Update(void) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) return(FALSE); - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; // Build the SQL UPDATE statement - GetUpdateStmt(sqlStmt, DB_UPD_KEYFIELDS); + BuildUpdateStmt(sqlStmt, DB_UPD_KEYFIELDS); pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt.GetData() << endl << endl; + cout << endl << sqlStmt.c_str() << endl << endl; #endif // Execute the SQL UPDATE statement return(execUpdate(sqlStmt)); -} // wxTable::Update() +} // wxDbTable::Update() -/********** wxTable::Update(pSqlStmt) **********/ -bool wxTable::Update(const char *pSqlStmt) +/********** wxDbTable::Update(pSqlStmt) **********/ +bool wxDbTable::Update(const wxString &pSqlStmt) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) return(FALSE); @@ -1279,390 +1823,212 @@ bool wxTable::Update(const char *pSqlStmt) return(execUpdate(pSqlStmt)); -} // wxTable::Update(pSqlStmt) +} // wxDbTable::Update(pSqlStmt) -/********** wxTable::UpdateWhere() **********/ -bool wxTable::UpdateWhere(const char *pWhereClause) +/********** wxDbTable::UpdateWhere() **********/ +bool wxDbTable::UpdateWhere(const wxString &pWhereClause) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) return(FALSE); - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; // Build the SQL UPDATE statement - GetUpdateStmt(sqlStmt, DB_UPD_WHERE, pWhereClause); + BuildUpdateStmt(sqlStmt, DB_UPD_WHERE, pWhereClause); pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt.GetData() << endl << endl; + cout << endl << sqlStmt.c_str() << endl << endl; #endif // Execute the SQL UPDATE statement return(execUpdate(sqlStmt)); -} // wxTable::UpdateWhere() +} // wxDbTable::UpdateWhere() -/********** wxTable::Delete() **********/ -bool wxTable::Delete(void) +/********** wxDbTable::Delete() **********/ +bool wxDbTable::Delete(void) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) return(FALSE); - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; + sqlStmt.Empty(); // Build the SQL DELETE statement - GetDeleteStmt(sqlStmt, DB_DEL_KEYFIELDS); + BuildDeleteStmt(sqlStmt, DB_DEL_KEYFIELDS); pDb->WriteSqlLog(sqlStmt); // Execute the SQL DELETE statement return(execDelete(sqlStmt)); -} // wxTable::Delete() +} // wxDbTable::Delete() -/********** wxTable::DeleteWhere() **********/ -bool wxTable::DeleteWhere(const char *pWhereClause) +/********** wxDbTable::DeleteWhere() **********/ +bool wxDbTable::DeleteWhere(const wxString &pWhereClause) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) return(FALSE); - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; + sqlStmt.Empty(); // Build the SQL DELETE statement - GetDeleteStmt(sqlStmt, DB_DEL_WHERE, pWhereClause); + BuildDeleteStmt(sqlStmt, DB_DEL_WHERE, pWhereClause); pDb->WriteSqlLog(sqlStmt); // Execute the SQL DELETE statement return(execDelete(sqlStmt)); -} // wxTable::DeleteWhere() +} // wxDbTable::DeleteWhere() -/********** wxTable::DeleteMatching() **********/ -bool wxTable::DeleteMatching(void) +/********** wxDbTable::DeleteMatching() **********/ +bool wxDbTable::DeleteMatching(void) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) return(FALSE); - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; + sqlStmt.Empty(); // Build the SQL DELETE statement - GetDeleteStmt(sqlStmt, DB_DEL_MATCHING); + BuildDeleteStmt(sqlStmt, DB_DEL_MATCHING); pDb->WriteSqlLog(sqlStmt); // Execute the SQL DELETE statement return(execDelete(sqlStmt)); -} // wxTable::DeleteMatching() - - -/********** wxTable::GetUpdateStmt() **********/ -void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause) -{ - assert(!queryOnly); - if (queryOnly) - return; - - char whereClause[DB_MAX_WHERE_CLAUSE_LEN]; - bool firstColumn = TRUE; - - whereClause[0] = 0; - sprintf(pSqlStmt, "UPDATE %s SET ", tableName); - - // Append a list of columns to be updated - int i; - for (i = 0; i < noCols; i++) - { - // Only append Updateable columns - if (colDefs[i].Updateable) - { - if (! firstColumn) - wxStrcat(pSqlStmt, ","); - else - firstColumn = FALSE; - wxStrcat(pSqlStmt, colDefs[i].ColName); - wxStrcat(pSqlStmt, " = ?"); - } - } - - // Append the WHERE clause to the SQL UPDATE statement - wxStrcat(pSqlStmt, " WHERE "); - switch(typeOfUpd) - { - case DB_UPD_KEYFIELDS: - // If the datasource supports the ROWID column, build - // the where on ROWID for efficiency purposes. - // e.g. UPDATE PARTS SET Col1 = ?, Col2 = ? WHERE ROWID = '111.222.333' - if (CanUpdByROWID()) - { - SDWORD cb; - char rowid[ROWID_LEN]; - - // Get the ROWID value. If not successful retreiving the ROWID, - // simply fall down through the code and build the WHERE clause - // based on the key fields. - if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, ROWID_LEN, &cb) == SQL_SUCCESS) - { - wxStrcat(pSqlStmt, "ROWID = '"); - wxStrcat(pSqlStmt, rowid); - wxStrcat(pSqlStmt, "'"); - break; - } - } - // Unable to delete by ROWID, so build a WHERE - // clause based on the keyfields. - GetWhereClause(whereClause, DB_WHERE_KEYFIELDS); - wxStrcat(pSqlStmt, whereClause); - break; - case DB_UPD_WHERE: - wxStrcat(pSqlStmt, pWhereClause); - break; - } -} // GetUpdateStmt() +} // wxDbTable::DeleteMatching() -/********** wxTable::GetDeleteStmt() **********/ -void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause) +/********** wxDbTable::IsColNull() **********/ +bool wxDbTable::IsColNull(UWORD colNo) const { - assert(!queryOnly); - if (queryOnly) - return; - - char whereClause[DB_MAX_WHERE_CLAUSE_LEN]; - - whereClause[0] = 0; - - // Handle the case of DeleteWhere() and the where clause is blank. It should - // delete all records from the database in this case. - if (typeOfDel == DB_DEL_WHERE && (pWhereClause == 0 || wxStrlen(pWhereClause) == 0)) - { - sprintf(pSqlStmt, "DELETE FROM %s", tableName); - return; - } - - sprintf(pSqlStmt, "DELETE FROM %s WHERE ", tableName); - - // Append the WHERE clause to the SQL DELETE statement - switch(typeOfDel) - { - case DB_DEL_KEYFIELDS: - // If the datasource supports the ROWID column, build - // the where on ROWID for efficiency purposes. - // e.g. DELETE FROM PARTS WHERE ROWID = '111.222.333' - if (CanUpdByROWID()) - { - SDWORD cb; - char rowid[ROWID_LEN]; - - // Get the ROWID value. If not successful retreiving the ROWID, - // simply fall down through the code and build the WHERE clause - // based on the key fields. - if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, ROWID_LEN, &cb) == SQL_SUCCESS) - { - wxStrcat(pSqlStmt, "ROWID = '"); - wxStrcat(pSqlStmt, rowid); - wxStrcat(pSqlStmt, "'"); - break; - } - } - // Unable to delete by ROWID, so build a WHERE - // clause based on the keyfields. - GetWhereClause(whereClause, DB_WHERE_KEYFIELDS); - wxStrcat(pSqlStmt, whereClause); - break; - case DB_DEL_WHERE: - wxStrcat(pSqlStmt, pWhereClause); - break; - case DB_DEL_MATCHING: - GetWhereClause(whereClause, DB_WHERE_MATCHING); - wxStrcat(pSqlStmt, whereClause); - break; - } - -} // GetDeleteStmt() - - -/********** wxTable::GetWhereClause() **********/ -void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, const char *qualTableName) /* - * Note: GetWhereClause() currently ignores timestamp columns. - * They are not included as part of the where clause. - */ -{ - bool moreThanOneColumn = FALSE; - char colValue[255]; - - // Loop through the columns building a where clause as you go - int i; - for (i = 0; i < noCols; i++) - { - // Determine if this column should be included in the WHERE clause - if ((typeOfWhere == DB_WHERE_KEYFIELDS && colDefs[i].KeyField) || - (typeOfWhere == DB_WHERE_MATCHING && (! IsColNull(i)))) - { - // Skip over timestamp columns - if (colDefs[i].SqlCtype == SQL_C_TIMESTAMP) - continue; - // If there is more than 1 column, join them with the keyword "AND" - if (moreThanOneColumn) - wxStrcat(pWhereClause, " AND "); - else - moreThanOneColumn = TRUE; - // Concatenate where phrase for the column - if (qualTableName && wxStrlen(qualTableName)) - { - wxStrcat(pWhereClause, qualTableName); - wxStrcat(pWhereClause, "."); - } - wxStrcat(pWhereClause, colDefs[i].ColName); - wxStrcat(pWhereClause, " = "); - switch(colDefs[i].SqlCtype) - { - case SQL_C_CHAR: - sprintf(colValue, "'%s'", (UCHAR FAR *) colDefs[i].PtrDataObj); - break; - case SQL_C_SSHORT: - sprintf(colValue, "%hi", *((SWORD *) colDefs[i].PtrDataObj)); - break; - case SQL_C_USHORT: - sprintf(colValue, "%hu", *((UWORD *) colDefs[i].PtrDataObj)); - break; - case SQL_C_SLONG: - sprintf(colValue, "%li", *((SDWORD *) colDefs[i].PtrDataObj)); - break; - case SQL_C_ULONG: - sprintf(colValue, "%lu", *((UDWORD *) colDefs[i].PtrDataObj)); - break; - case SQL_C_FLOAT: - sprintf(colValue, "%.6f", *((SFLOAT *) colDefs[i].PtrDataObj)); - break; - case SQL_C_DOUBLE: - sprintf(colValue, "%.6f", *((SDOUBLE *) colDefs[i].PtrDataObj)); - break; - } - wxStrcat(pWhereClause, colValue); - } - } -} // wxTable::GetWhereClause() - + This logic is just not right. It would indicate TRUE + if a numeric field were set to a value of 0. -/********** wxTable::IsColNull() **********/ -bool wxTable::IsColNull(int colNo) -{ switch(colDefs[colNo].SqlCtype) { - case SQL_C_CHAR: - return(((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0] == 0); - case SQL_C_SSHORT: - return(( *((SWORD *) colDefs[colNo].PtrDataObj)) == 0); - case SQL_C_USHORT: - return(( *((UWORD*) colDefs[colNo].PtrDataObj)) == 0); - case SQL_C_SLONG: - return(( *((SDWORD *) colDefs[colNo].PtrDataObj)) == 0); - case SQL_C_ULONG: - return(( *((UDWORD *) colDefs[colNo].PtrDataObj)) == 0); - case SQL_C_FLOAT: - return(( *((SFLOAT *) colDefs[colNo].PtrDataObj)) == 0); - case SQL_C_DOUBLE: - return((*((SDOUBLE *) colDefs[colNo].PtrDataObj)) == 0); - case SQL_C_TIMESTAMP: - TIMESTAMP_STRUCT *pDt; - pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].PtrDataObj; - if (pDt->year == 0 && pDt->month == 0 && pDt->day == 0) + case SQL_C_CHAR: + return(((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0] == 0); + case SQL_C_SSHORT: + return(( *((SWORD *) colDefs[colNo].PtrDataObj)) == 0); + case SQL_C_USHORT: + return(( *((UWORD*) colDefs[colNo].PtrDataObj)) == 0); + case SQL_C_SLONG: + return(( *((SDWORD *) colDefs[colNo].PtrDataObj)) == 0); + case SQL_C_ULONG: + return(( *((UDWORD *) colDefs[colNo].PtrDataObj)) == 0); + case SQL_C_FLOAT: + return(( *((SFLOAT *) colDefs[colNo].PtrDataObj)) == 0); + case SQL_C_DOUBLE: + return((*((SDOUBLE *) colDefs[colNo].PtrDataObj)) == 0); + case SQL_C_TIMESTAMP: + TIMESTAMP_STRUCT *pDt; + pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].PtrDataObj; + if (pDt->year == 0 && pDt->month == 0 && pDt->day == 0) + return(TRUE); + else + return(FALSE); + default: return(TRUE); - else - return(FALSE); - default: - return(TRUE); } -} // wxTable::IsColNull() +*/ + return (colDefs[colNo].Null); +} // wxDbTable::IsColNull() -/********** wxTable::CanSelectForUpdate() **********/ -bool wxTable::CanSelectForUpdate(void) +/********** wxDbTable::CanSelectForUpdate() **********/ +bool wxDbTable::CanSelectForUpdate(void) { + if (queryOnly) + return FALSE; + if (pDb->Dbms() == dbmsMY_SQL) return FALSE; - if (pDb->dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE) + if ((pDb->Dbms() == dbmsORACLE) || + (pDb->dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE)) return(TRUE); else return(FALSE); -} // wxTable::CanSelectForUpdate() +} // wxDbTable::CanSelectForUpdate() -/********** wxTable::CanUpdByROWID() **********/ -bool wxTable::CanUpdByROWID(void) +/********** wxDbTable::CanUpdByROWID() **********/ +bool wxDbTable::CanUpdByROWID(void) { /* * NOTE: Returning FALSE for now until this can be debugged, * as the ROWID is not getting updated correctly */ return FALSE; - +/* if (pDb->Dbms() == dbmsORACLE) return(TRUE); else return(FALSE); - -} // wxTable::CanUpdByROWID() +*/ +} // wxDbTable::CanUpdByROWID() -/********** wxTable::IsCursorClosedOnCommit() **********/ -bool wxTable::IsCursorClosedOnCommit(void) +/********** wxDbTable::IsCursorClosedOnCommit() **********/ +bool wxDbTable::IsCursorClosedOnCommit(void) { if (pDb->dbInf.cursorCommitBehavior == SQL_CB_PRESERVE) return(FALSE); else return(TRUE); -} // wxTable::IsCursorClosedOnCommit() +} // wxDbTable::IsCursorClosedOnCommit() + -/********** wxTable::ClearMemberVars() **********/ -void wxTable::ClearMemberVars(void) +/********** wxDbTable::ClearMemberVar() **********/ +void wxDbTable::ClearMemberVar(UWORD colNo, bool setToNull) { - // Loop through the columns setting each member variable to zero - int i; - for (i = 0; i < noCols; i++) + wxASSERT(colNo < noCols); + + switch(colDefs[colNo].SqlCtype) { - switch(colDefs[i].SqlCtype) - { case SQL_C_CHAR: - ((UCHAR FAR *) colDefs[i].PtrDataObj)[0] = 0; + ((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0] = 0; break; case SQL_C_SSHORT: - *((SWORD *) colDefs[i].PtrDataObj) = 0; + *((SWORD *) colDefs[colNo].PtrDataObj) = 0; break; case SQL_C_USHORT: - *((UWORD*) colDefs[i].PtrDataObj) = 0; + *((UWORD*) colDefs[colNo].PtrDataObj) = 0; break; case SQL_C_SLONG: - *((SDWORD *) colDefs[i].PtrDataObj) = 0; + *((SDWORD *) colDefs[colNo].PtrDataObj) = 0; break; case SQL_C_ULONG: - *((UDWORD *) colDefs[i].PtrDataObj) = 0; + *((UDWORD *) colDefs[colNo].PtrDataObj) = 0; break; case SQL_C_FLOAT: - *((SFLOAT *) colDefs[i].PtrDataObj) = 0.0f; + *((SFLOAT *) colDefs[colNo].PtrDataObj) = 0.0f; break; case SQL_C_DOUBLE: - *((SDOUBLE *) colDefs[i].PtrDataObj) = 0.0f; + *((SDOUBLE *) colDefs[colNo].PtrDataObj) = 0.0f; break; case SQL_C_TIMESTAMP: TIMESTAMP_STRUCT *pDt; - pDt = (TIMESTAMP_STRUCT *) colDefs[i].PtrDataObj; + pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].PtrDataObj; pDt->year = 0; pDt->month = 0; pDt->day = 0; @@ -1671,14 +2037,27 @@ void wxTable::ClearMemberVars(void) pDt->second = 0; pDt->fraction = 0; break; - } } -} // wxTable::ClearMemberVars() + if (setToNull) + SetColNull(colNo); +} // wxDbTable::ClearMemberVar() + + +/********** wxDbTable::ClearMemberVars() **********/ +void wxDbTable::ClearMemberVars(bool setToNull) +{ + int i; + + // Loop through the columns setting each member variable to zero + for (i=0; i < noCols; i++) + ClearMemberVar(i,setToNull); + +} // wxDbTable::ClearMemberVars() -/********** wxTable::SetQueryTimeout() **********/ -bool wxTable::SetQueryTimeout(UDWORD nSeconds) +/********** wxDbTable::SetQueryTimeout() **********/ +bool wxDbTable::SetQueryTimeout(UDWORD nSeconds) { if (SQLSetStmtOption(hstmtInsert, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS) return(pDb->DispAllErrors(henv, hdbc, hstmtInsert)); @@ -1692,21 +2071,28 @@ bool wxTable::SetQueryTimeout(UDWORD nSeconds) // Completed Successfully return(TRUE); -} // wxTable::SetQueryTimeout() +} // wxDbTable::SetQueryTimeout() -/********** wxTable::SetColDefs() **********/ -void wxTable::SetColDefs (int index, const char *fieldName, int dataType, void *pData, - int cType, int size, bool keyField, bool upd, - bool insAllow, bool derivedCol) +/********** wxDbTable::SetColDefs() **********/ +void wxDbTable::SetColDefs(UWORD index, const wxString &fieldName, int dataType, void *pData, + SWORD cType, int size, bool keyField, bool upd, + bool insAllow, bool derivedCol) { if (!colDefs) // May happen if the database connection fails return; - if (wxStrlen(fieldName) > (unsigned int) DB_MAX_COLUMN_NAME_LEN) + if (fieldName.Length() > (unsigned int) DB_MAX_COLUMN_NAME_LEN) { - wxStrncpy (colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN); + wxStrncpy(colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN); colDefs[index].ColName[DB_MAX_COLUMN_NAME_LEN] = 0; + +#ifdef __WXDEBUG__ + wxString tmpMsg; + tmpMsg.Printf(_T("Column name '%s' is too long. Truncated to '%s'."), + fieldName.c_str(),colDefs[index].ColName); + wxFAIL_MSG(tmpMsg); +#endif // __WXDEBUG__ } else wxStrcpy(colDefs[index].ColName, fieldName); @@ -1730,58 +2116,33 @@ void wxTable::SetColDefs (int index, const char *fieldName, int dataType, void * } colDefs[index].Null = FALSE; - -} // wxTable::SetColDefs() + +} // wxDbTable::SetColDefs() -/********** wxTable::SetColDef() **********/ -// BJO20000121 : changed prototype in order to return proper pointer on wxColDataPtr's array -//bool wxTable::SetColDefs(wxColInf *pColInfs, ULONG numCols, wxColDataPtr *pColDataPtrs) -wxColDataPtr* wxTable::SetColDefs (wxColInf *pColInfs, ULONG numCols) +/********** wxDbTable::SetColDefs() **********/ +wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols) { - assert(pColInfs); - wxColDataPtr *pColDataPtrs = NULL; + wxASSERT(pColInfs); + wxDbColDataPtr *pColDataPtrs = NULL; if (pColInfs) { - ULONG index; + UWORD index; - - pColDataPtrs = new wxColDataPtr[numCols+1]; + pColDataPtrs = new wxDbColDataPtr[numCols+1]; for (index = 0; index < numCols; index++) { -/* - wxString title,msg; - title.sprintf("Catalog: %s, Schema: %s, Table name: %s",pColInfs[index].catalog,pColInfs[index].schema,pColInfs[index].tableName); - msg.sprintf("Column name: %s\nData type: %04d\nType name: %s\nColumn size: %d\nBuffer len: %d\nDecimals:%d\nRadix: %d\nNullable: %d\nRemarks: %s", - pColInfs[index].colName,pColInfs[index].sqlDataType,pColInfs[index].typeName,pColInfs[index].columnSize,pColInfs[index].bufferLength,pColInfs[index].decimalDigits,pColInfs[index].numPrecRadix,pColInfs[index].nullable,pColInfs[index].remarks); - msg += " \nDB_DATA_TYPE: "; - switch(pColInfs[index].dbDataType) - { - case DB_DATA_TYPE_VARCHAR: - msg += pDb->typeInfVarchar.TypeName; break; - case DB_DATA_TYPE_INTEGER: - msg += pDb->typeInfInteger.TypeName; break; - case DB_DATA_TYPE_FLOAT: - msg += pDb->typeInfFloat.TypeName; break; - case DB_DATA_TYPE_DATE: - msg += pDb->typeInfDate.TypeName; break; - } - wxMessageBox(msg.GetData(),title.GetData()); -*/ // Process the fields switch (pColInfs[index].dbDataType) { case DB_DATA_TYPE_VARCHAR: - { - pColDataPtrs[index].PtrDataObj = new char[pColInfs[index].bufferLength+1]; - pColDataPtrs[index].SzDataObj = pColInfs[index].bufferLength; - pColDataPtrs[index].SqlCtype = SQL_C_CHAR; - break; - } + pColDataPtrs[index].PtrDataObj = new wxChar[pColInfs[index].bufferLength+1]; + pColDataPtrs[index].SzDataObj = pColInfs[index].columnSize; + pColDataPtrs[index].SqlCtype = SQL_C_CHAR; + break; case DB_DATA_TYPE_INTEGER: - { // Can be long or short if (pColInfs[index].bufferLength == sizeof(long)) { @@ -1796,9 +2157,7 @@ wxColDataPtr* wxTable::SetColDefs (wxColInf *pColInfs, ULONG numCols) pColDataPtrs[index].SqlCtype = SQL_C_SSHORT; } break; - } case DB_DATA_TYPE_FLOAT: - { // Can be float or double if (pColInfs[index].bufferLength == sizeof(float)) { @@ -1811,73 +2170,94 @@ wxColDataPtr* wxTable::SetColDefs (wxColInf *pColInfs, ULONG numCols) pColDataPtrs[index].PtrDataObj = new double; pColDataPtrs[index].SzDataObj = sizeof(double); pColDataPtrs[index].SqlCtype = SQL_C_DOUBLE; - } + } break; - } case DB_DATA_TYPE_DATE: - { pColDataPtrs[index].PtrDataObj = new TIMESTAMP_STRUCT; pColDataPtrs[index].SzDataObj = sizeof(TIMESTAMP_STRUCT); pColDataPtrs[index].SqlCtype = SQL_C_TIMESTAMP; break; - } + case DB_DATA_TYPE_BLOB: + wxFAIL_MSG(wxT("This form of ::SetColDefs() cannot be used with BLOB columns")); + pColDataPtrs[index].PtrDataObj = /*BLOB ADDITION NEEDED*/NULL; + pColDataPtrs[index].SzDataObj = /*BLOB ADDITION NEEDED*/sizeof(void *); + pColDataPtrs[index].SqlCtype = SQL_VARBINARY; + break; + } + if (pColDataPtrs[index].PtrDataObj != NULL) + SetColDefs (index,pColInfs[index].colName,pColInfs[index].dbDataType, pColDataPtrs[index].PtrDataObj, pColDataPtrs[index].SqlCtype, pColDataPtrs[index].SzDataObj); + else + { + // Unable to build all the column definitions, as either one of + // the calls to "new" failed above, or there was a BLOB field + // to have a column definition for. If BLOBs are to be used, + // the other form of ::SetColDefs() must be used, as it is impossible + // to know the maximum size to create the PtrDataObj to be. + delete [] pColDataPtrs; + return NULL; } - - SetColDefs (index,pColInfs[index].colName,pColInfs[index].dbDataType, pColDataPtrs[index].PtrDataObj, pColDataPtrs[index].SqlCtype, pColDataPtrs[index].SzDataObj); } } + return (pColDataPtrs); -} // wxTable::SetColDef() +} // wxDbTable::SetColDefs() -/********** wxTable::SetCursor() **********/ -void wxTable::SetCursor(HSTMT *hstmtActivate) + +/********** wxDbTable::SetCursor() **********/ +void wxDbTable::SetCursor(HSTMT *hstmtActivate) { - if (hstmtActivate == DEFAULT_CURSOR) + if (hstmtActivate == wxDB_DEFAULT_CURSOR) hstmt = *hstmtDefault; else hstmt = *hstmtActivate; -} // wxTable::SetCursor() +} // wxDbTable::SetCursor() -/********** wxTable::Count(const char *) **********/ -ULONG wxTable::Count(const char *args) +/********** wxDbTable::Count(const wxString &) **********/ +ULONG wxDbTable::Count(const wxString &args) { - ULONG l; -// char sqlStmt[DB_MAX_STATEMENT_LEN]; + ULONG count; wxString sqlStmt; SDWORD cb; // Build a "SELECT COUNT(*) FROM queryTableName [WHERE whereClause]" SQL Statement - sqlStmt = "SELECT COUNT("; + sqlStmt = wxT("SELECT COUNT("); sqlStmt += args; - sqlStmt += ") FROM "; + sqlStmt += wxT(") FROM "); sqlStmt += queryTableName; - +#if wxODBC_BACKWARD_COMPATABILITY if (from && wxStrlen(from)) +#else + if (from.Length()) +#endif sqlStmt += from; // Add the where clause if one is provided +#if wxODBC_BACKWARD_COMPATABILITY if (where && wxStrlen(where)) +#else + if (where.Length()) +#endif { - sqlStmt += " WHERE "; + sqlStmt += wxT(" WHERE "); sqlStmt += where; } - pDb->WriteSqlLog(sqlStmt.GetData()); + pDb->WriteSqlLog(sqlStmt); // Initialize the Count cursor if it's not already initialized if (!hstmtCount) { - hstmtCount = NewCursor(FALSE,FALSE); - assert(hstmtCount); + hstmtCount = GetNewCursor(FALSE,FALSE); + wxASSERT(hstmtCount); if (!hstmtCount) return(0); } // Execute the SQL statement - if (SQLExecDirect(*hstmtCount, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS) + if (SQLExecDirect(*hstmtCount, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) { pDb->DispAllErrors(henv, hdbc, *hstmtCount); return(0); @@ -1891,7 +2271,7 @@ ULONG wxTable::Count(const char *args) } // Obtain the result - if (SQLGetData(*hstmtCount, 1, SQL_C_ULONG, &l, sizeof(l), &cb) != SQL_SUCCESS) + if (SQLGetData(*hstmtCount, (UWORD)1, SQL_C_ULONG, &count, sizeof(count), &cb) != SQL_SUCCESS) { pDb->DispAllErrors(henv, hdbc, *hstmtCount); return(0); @@ -1902,52 +2282,56 @@ ULONG wxTable::Count(const char *args) pDb->DispAllErrors(henv, hdbc, *hstmtCount); // Return the record count - return(l); + return(count); -} // wxTable::Count() +} // wxDbTable::Count() -/********** wxTable::Refresh() **********/ -bool wxTable::Refresh(void) +/********** wxDbTable::Refresh() **********/ +bool wxDbTable::Refresh(void) { bool result = TRUE; // Switch to the internal cursor so any active cursors are not corrupted HSTMT currCursor = GetCursor(); hstmt = hstmtInternal; - +#if wxODBC_BACKWARD_COMPATABILITY // Save the where and order by clauses char *saveWhere = where; char *saveOrderBy = orderBy; - +#else + wxString saveWhere = where; + wxString saveOrderBy = orderBy; +#endif // Build a where clause to refetch the record with. Try and use the // ROWID if it's available, ow use the key fields. - char whereClause[DB_MAX_WHERE_CLAUSE_LEN+1]; - wxStrcpy(whereClause, ""); + wxString whereClause; + whereClause.Empty(); + if (CanUpdByROWID()) { SDWORD cb; - char rowid[ROWID_LEN+1]; + wxChar rowid[wxDB_ROWID_LEN+1]; // Get the ROWID value. If not successful retreiving the ROWID, // simply fall down through the code and build the WHERE clause // based on the key fields. - if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, ROWID_LEN, &cb) == SQL_SUCCESS) + if (SQLGetData(hstmt, (UWORD)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS) { - wxStrcat(whereClause, queryTableName); - wxStrcat(whereClause, ".ROWID = '"); - wxStrcat(whereClause, rowid); - wxStrcat(whereClause, "'"); + whereClause += queryTableName; + whereClause += wxT(".ROWID = '"); + whereClause += rowid; + whereClause += wxT("'"); } } // If unable to use the ROWID, build a where clause from the keyfields if (wxStrlen(whereClause) == 0) - GetWhereClause(whereClause, DB_WHERE_KEYFIELDS, queryTableName); + BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS, queryTableName); // Requery the record where = whereClause; - orderBy = 0; + orderBy.Empty(); if (!Query()) result = FALSE; @@ -1967,22 +2351,27 @@ bool wxTable::Refresh(void) return(result); -} // wxTable::Refresh() +} // wxDbTable::Refresh() -/********** wxTable::SetNull(int colNo) **********/ -bool wxTable::SetNull(int colNo) +/********** wxDbTable::SetColNull() **********/ +bool wxDbTable::SetColNull(UWORD colNo, bool set) { if (colNo < noCols) - return(colDefs[colNo].Null = TRUE); + { + colDefs[colNo].Null = set; + if (set) // Blank out the values in the member variable + ClearMemberVar(colNo,FALSE); // Must call with FALSE, or infinite recursion will happen + return(TRUE); + } else return(FALSE); -} // wxTable::SetNull(int colNo) +} // wxDbTable::SetColNull() -/********** wxTable::SetNull(char *colName) **********/ -bool wxTable::SetNull(const char *colName) +/********** wxDbTable::SetColNull() **********/ +bool wxDbTable::SetColNull(const wxString &colName, bool set) { int i; for (i = 0; i < noCols; i++) @@ -1992,18 +2381,23 @@ bool wxTable::SetNull(const char *colName) } if (i < noCols) - return(colDefs[i].Null = TRUE); + { + colDefs[i].Null = set; + if (set) // Blank out the values in the member variable + ClearMemberVar(i,FALSE); // Must call with FALSE, or infinite recursion will happen + return(TRUE); + } else return(FALSE); -} // wxTable::SetNull(char *colName) +} // wxDbTable::SetColNull() -/********** wxTable::NewCursor() **********/ -HSTMT *wxTable::NewCursor(bool setCursor, bool bindColumns) +/********** wxDbTable::GetNewCursor() **********/ +HSTMT *wxDbTable::GetNewCursor(bool setCursor, bool bindColumns) { HSTMT *newHSTMT = new HSTMT; - assert(newHSTMT); + wxASSERT(newHSTMT); if (!newHSTMT) return(0); @@ -2023,7 +2417,7 @@ HSTMT *wxTable::NewCursor(bool setCursor, bool bindColumns) if (bindColumns) { - if(!bindCols(*newHSTMT)) + if (!bindCols(*newHSTMT)) { delete newHSTMT; return(0); @@ -2035,17 +2429,22 @@ HSTMT *wxTable::NewCursor(bool setCursor, bool bindColumns) return(newHSTMT); -} // wxTable::NewCursor() +} // wxDbTable::GetNewCursor() -/********** wxTable::DeleteCursor() **********/ -bool wxTable::DeleteCursor(HSTMT *hstmtDel) +/********** wxDbTable::DeleteCursor() **********/ +bool wxDbTable::DeleteCursor(HSTMT *hstmtDel) { bool result = TRUE; if (!hstmtDel) // Cursor already deleted return(result); +/* +ODBC 3.0 says to use this form + if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS) + +*/ if (SQLFreeStmt(*hstmtDel, SQL_DROP) != SQL_SUCCESS) { pDb->DispAllErrors(henv, hdbc); @@ -2056,7 +2455,230 @@ bool wxTable::DeleteCursor(HSTMT *hstmtDel) return(result); -} // wxTable::DeleteCursor() +} // wxDbTable::DeleteCursor() + +////////////////////////////////////////////////////////////// +// wxDbGrid support functions +////////////////////////////////////////////////////////////// + +void wxDbTable::SetRowMode(const rowmode_t rowmode) +{ + if (!m_hstmtGridQuery) + { + m_hstmtGridQuery = GetNewCursor(FALSE,FALSE); + if (!bindCols(*m_hstmtGridQuery)) + return; + } + + m_rowmode = rowmode; + switch (m_rowmode) + { + case WX_ROW_MODE_QUERY: + SetCursor(m_hstmtGridQuery); + break; + case WX_ROW_MODE_INDIVIDUAL: + SetCursor(hstmtDefault); + break; + default: + assert(0); + } +} // wxDbTable::SetRowMode() + + +wxVariant wxDbTable::GetCol(const int col) const +{ + wxVariant val; + if ((col < noCols) && (!IsColNull(col))) + { + switch (colDefs[col].SqlCtype) + { + case SQL_CHAR: + case SQL_VARCHAR: + val = (char *)(colDefs[col].PtrDataObj); + break; + case SQL_C_LONG: + case SQL_C_SLONG: + val = *(long *)(colDefs[col].PtrDataObj); + break; + case SQL_C_SHORT: + case SQL_C_SSHORT: + val = (long int )(*(short *)(colDefs[col].PtrDataObj)); + break; + case SQL_C_ULONG: + val = (long)(*(unsigned long *)(colDefs[col].PtrDataObj)); + break; + case SQL_C_TINYINT: + val = (long)(*(char *)(colDefs[col].PtrDataObj)); + break; + case SQL_C_UTINYINT: + val = (long)(*(unsigned char *)(colDefs[col].PtrDataObj)); + break; + case SQL_C_USHORT: + val = (long)(*(UWORD *)(colDefs[col].PtrDataObj)); + break; + case SQL_C_DATE: + val = (DATE_STRUCT *)(colDefs[col].PtrDataObj); + break; + case SQL_C_TIME: + val = (TIME_STRUCT *)(colDefs[col].PtrDataObj); + break; + case SQL_C_TIMESTAMP: + val = (TIMESTAMP_STRUCT *)(colDefs[col].PtrDataObj); + break; + case SQL_C_DOUBLE: + val = *(double *)(colDefs[col].PtrDataObj); + break; + default: + assert(0); + } + } + return val; +} // wxDbTable::GetCol() + + +void csstrncpyt(char *s, const char *t, int n) +{ + while ((*s++ = *t++) && --n) + {}; + + *s = '\0'; +} + +void wxDbTable::SetCol(const int col, const wxVariant val) +{ + //FIXME: Add proper wxDateTime support to wxVariant.. + wxDateTime dateval; + + SetColNull(col, val.IsNull()); + + if (!val.IsNull()) + { + if ((colDefs[col].SqlCtype == SQL_C_DATE) + || (colDefs[col].SqlCtype == SQL_C_TIME) + || (colDefs[col].SqlCtype == SQL_C_TIMESTAMP)) + { + //Returns null if invalid! + if (!dateval.ParseDate(val.GetString())) + SetColNull(col,TRUE); + } + + switch (colDefs[col].SqlCtype) + { + case SQL_CHAR: + case SQL_VARCHAR: + csstrncpyt((char *)(colDefs[col].PtrDataObj), + val.GetString().c_str(), + colDefs[col].SzDataObj-1); + break; + case SQL_C_LONG: + case SQL_C_SLONG: + *(long *)(colDefs[col].PtrDataObj) = val; + break; + case SQL_C_SHORT: + case SQL_C_SSHORT: + *(short *)(colDefs[col].PtrDataObj) = val.GetLong(); + break; + case SQL_C_ULONG: + *(unsigned long *)(colDefs[col].PtrDataObj) = val.GetLong(); + break; + case SQL_C_TINYINT: + *(char *)(colDefs[col].PtrDataObj) = val.GetChar(); + break; + case SQL_C_UTINYINT: + *(unsigned char *)(colDefs[col].PtrDataObj) = val.GetChar(); + break; + case SQL_C_USHORT: + *(unsigned short *)(colDefs[col].PtrDataObj) = val.GetLong(); + break; + //FIXME: Add proper wxDateTime support to wxVariant.. + case SQL_C_DATE: + { + DATE_STRUCT *dataptr = + (DATE_STRUCT *)colDefs[col].PtrDataObj; + + dataptr->year = dateval.GetYear(); + dataptr->month = dateval.GetMonth()+1; + dataptr->day = dateval.GetDay(); + } + break; + case SQL_C_TIME: + { + TIME_STRUCT *dataptr = + (TIME_STRUCT *)colDefs[col].PtrDataObj; + + dataptr->hour = dateval.GetHour(); + dataptr->minute = dateval.GetMinute(); + dataptr->second = dateval.GetSecond(); + } + break; + case SQL_C_TIMESTAMP: + { + TIMESTAMP_STRUCT *dataptr = + (TIMESTAMP_STRUCT *)colDefs[col].PtrDataObj; + dataptr->year = dateval.GetYear(); + dataptr->month = dateval.GetMonth()+1; + dataptr->day = dateval.GetDay(); + + dataptr->hour = dateval.GetHour(); + dataptr->minute = dateval.GetMinute(); + dataptr->second = dateval.GetSecond(); + } + break; + case SQL_C_DOUBLE: + *(double *)(colDefs[col].PtrDataObj) = val; + break; + default: + assert(0); + } // switch + } // if (!val.IsNull()) +} // wxDbTable::SetCol() + + +GenericKey wxDbTable::GetKey() +{ + void *blk; + char *blkptr; + + blk = malloc(m_keysize); + blkptr = (char *) blk; + + int i; + for (i=0; i < noCols; i++) + { + if (colDefs[i].KeyField) + { + memcpy(blkptr,colDefs[i].PtrDataObj, colDefs[i].SzDataObj); + blkptr += colDefs[i].SzDataObj; + } + } + + GenericKey k = GenericKey(blk, m_keysize); + free(blk); + + return k; +} // wxDbTable::GetKey() + + +void wxDbTable::SetKey(const GenericKey& k) +{ + void *blk; + char *blkptr; + + blk = k.GetBlk(); + blkptr = (char *)blk; + + int i; + for (i=0; i < noCols; i++) + { + if (colDefs[i].KeyField) + { + SetColNull(i, FALSE); + memcpy(colDefs[i].PtrDataObj, blkptr, colDefs[i].SzDataObj); + blkptr += colDefs[i].SzDataObj; + } + } +} // wxDbTable::SetKey() + #endif // wxUSE_ODBC